feat: add options for attestation and vulnerability requests

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Log from Synthtool

synthtool > Executing /tmpfs/src/git/autosynth/working_repo/synth.py.
synthtool > Ensuring dependencies.
synthtool > Pulling artman image.
latest: Pulling from googleapis/artman
Digest: sha256:feed210b5723c6f524b52ef6d7740a030f2d1a8f7c29a71c5e5b4481ceaad7f5
Status: Image is up to date for googleapis/artman:latest
synthtool > Cloning googleapis.
synthtool > Running generator for google/devtools/containeranalysis/artman_containeranalysis_v1beta1.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/js/containeranalysis-v1beta1.
synthtool > Running generator for google/devtools/containeranalysis/artman_containeranalysis_v1.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/js/containeranalysis-v1.
.eslintignore
.eslintrc.yml
.github/ISSUE_TEMPLATE/bug_report.md
.github/ISSUE_TEMPLATE/feature_request.md
.github/ISSUE_TEMPLATE/support_request.md
.github/PULL_REQUEST_TEMPLATE.md
.github/release-please.yml
.jsdoc.js
.kokoro/common.cfg
.kokoro/continuous/node10/common.cfg
.kokoro/continuous/node10/docs.cfg
.kokoro/continuous/node10/lint.cfg
.kokoro/continuous/node10/samples-test.cfg
.kokoro/continuous/node10/system-test.cfg
.kokoro/continuous/node10/test.cfg
.kokoro/continuous/node12/common.cfg
.kokoro/continuous/node12/test.cfg
.kokoro/continuous/node8/common.cfg
.kokoro/continuous/node8/test.cfg
.kokoro/docs.sh
.kokoro/lint.sh
.kokoro/presubmit/node10/common.cfg
.kokoro/presubmit/node10/docs.cfg
.kokoro/presubmit/node10/lint.cfg
.kokoro/presubmit/node10/samples-test.cfg
.kokoro/presubmit/node10/system-test.cfg
.kokoro/presubmit/node10/test.cfg
.kokoro/presubmit/node12/common.cfg
.kokoro/presubmit/node12/test.cfg
.kokoro/presubmit/node8/common.cfg
.kokoro/presubmit/node8/test.cfg
.kokoro/presubmit/windows/common.cfg
.kokoro/presubmit/windows/test.cfg
.kokoro/publish.sh
.kokoro/release/docs.cfg
.kokoro/release/docs.sh
.kokoro/release/publish.cfg
.kokoro/samples-test.sh
.kokoro/system-test.sh
.kokoro/test.bat
.kokoro/test.sh
.kokoro/trampoline.sh
.nycrc
.prettierignore
.prettierrc
CODE_OF_CONDUCT.md
CONTRIBUTING.md
LICENSE
README.md
codecov.yaml
renovate.json
samples/README.md
synthtool > Replaced 'cloud.google.comgrafeas.io' in src/v1beta1/container_analysis_v1_beta1_client.js.
synthtool > Replaced 'cloud.google.comgrafeas.io' in src/v1beta1/grafeas_v1_beta1_client.js.
synthtool > Replaced "const path = require\\('path'\\);\n" in src/v1/container_analysis_client.js.
synthtool > Replaced '        defaults\\[methodName\\],\n        null\n      \\);\n    }\n  }' in src/v1/container_analysis_client.js.
synthtool > Replaced '  matchNoteFromNoteName\\(noteName\\) {\n    return this\\._pathTemplates\\.notePathTemplate\n      \\.match\\(noteName\\)\n      \\.note;\n  }\n' in src/v1/container_analysis_client.js.
npm WARN npm npm does not support Node.js v12.14.0
npm WARN npm You should probably upgrade to a newer version of node as we
npm WARN npm can't make any promises that npm will work with this version.
npm WARN npm Supported releases of Node.js are the latest release of 6, 8, 9, 10, 11.
npm WARN npm You can find the latest version at https://nodejs.org/
npm WARN deprecated core-js@2.6.11: core-js@<3 is no longer maintained and not recommended for usage due to the number of issues. Please, upgrade your dependencies to the actual version of core-js@3.

> core-js@2.6.11 postinstall /tmpfs/src/git/autosynth/working_repo/node_modules/core-js
> node -e "try{require('./postinstall')}catch(e){}"


> protobufjs@6.8.8 postinstall /tmpfs/src/git/autosynth/working_repo/node_modules/protobufjs
> node scripts/postinstall

npm notice created a lockfile as package-lock.json. You should commit this file.
added 525 packages from 858 contributors and audited 1203 packages in 9.649s
found 0 vulnerabilities

npm WARN npm npm does not support Node.js v12.14.0
npm WARN npm You should probably upgrade to a newer version of node as we
npm WARN npm can't make any promises that npm will work with this version.
npm WARN npm Supported releases of Node.js are the latest release of 6, 8, 9, 10, 11.
npm WARN npm You can find the latest version at https://nodejs.org/

> @google-cloud/containeranalysis@1.6.1 fix /tmpfs/src/git/autosynth/working_repo
> eslint '**/*.js' --fix


/tmpfs/src/git/autosynth/working_repo/samples/createNote.js
  33:45  error  "@google-cloud/containeranalysis" is not found  node/no-missing-require

/tmpfs/src/git/autosynth/working_repo/samples/createOccurrence.js
  37:45  error  "@google-cloud/containeranalysis" is not found  node/no-missing-require

/tmpfs/src/git/autosynth/working_repo/samples/deleteNote.js
  33:45  error  "@google-cloud/containeranalysis" is not found  node/no-missing-require

/tmpfs/src/git/autosynth/working_repo/samples/deleteOccurrence.js
  33:45  error  "@google-cloud/containeranalysis" is not found  node/no-missing-require

/tmpfs/src/git/autosynth/working_repo/samples/getDiscoveryInfo.js
  33:45  error  "@google-cloud/containeranalysis" is not found  node/no-missing-require

/tmpfs/src/git/autosynth/working_repo/samples/getNote.js
  33:45  error  "@google-cloud/containeranalysis" is not found  node/no-missing-require

/tmpfs/src/git/autosynth/working_repo/samples/getOccurrence.js
  33:45  error  "@google-cloud/containeranalysis" is not found  node/no-missing-require

/tmpfs/src/git/autosynth/working_repo/samples/highVulnerabilitiesForImage.js
  33:45  error  "@google-cloud/containeranalysis" is not found  node/no-missing-require

/tmpfs/src/git/autosynth/working_repo/samples/occurrencePubSub.js
  35:28  error  "@google-cloud/pubsub" is not found  node/no-missing-require

/tmpfs/src/git/autosynth/working_repo/samples/occurrencesForImage.js
  33:45  error  "@google-cloud/containeranalysis" is not found  node/no-missing-require

/tmpfs/src/git/autosynth/working_repo/samples/occurrencesForNote.js
  33:45  error  "@google-cloud/containeranalysis" is not found  node/no-missing-require

/tmpfs/src/git/autosynth/working_repo/samples/pollDiscoveryOccurrenceFinished.js
  35:45  error  "@google-cloud/containeranalysis" is not found  node/no-missing-require
  49:26  error  "p-retry" is not found                          node/no-missing-require

/tmpfs/src/git/autosynth/working_repo/samples/quickstart.js
  33:45  error  "@google-cloud/containeranalysis" is not found  node/no-missing-require

/tmpfs/src/git/autosynth/working_repo/samples/test/containerAnalysis.test.js
  17:26  error  "chai" is not found                             node/no-missing-require
  19:22  error  "uuid" is not found                             node/no-missing-require
  21:43  error  "@google-cloud/containeranalysis" is not found  node/no-missing-require
  33:26  error  "@google-cloud/pubsub" is not found             node/no-missing-require

/tmpfs/src/git/autosynth/working_repo/samples/vulnerabilityOccurrencesForImage.js
  33:45  error  "@google-cloud/containeranalysis" is not found  node/no-missing-require

✖ 19 problems (19 errors, 0 warnings)

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! @google-cloud/containeranalysis@1.6.1 fix: `eslint '**/*.js' --fix`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the @google-cloud/containeranalysis@1.6.1 fix script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/kbuilder/.npm/_logs/2019-12-18T12_12_40_726Z-debug.log
installing semver@^5.5.0
installing minimist@^1.2.0
installing espree@^3.5.4
installing escodegen@^1.9.1
synthtool > Wrote metadata to synth.metadata.

[codecov]

Codecov Report

Merging #114 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #114   +/-   ##
=======================================
  Coverage   96.43%   96.43%           
=======================================
  Files           6        6           
  Lines        3195     3195           
=======================================
  Hits         3081     3081           
  Misses        114      114

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