fix: Add shopt -s nullglob to dependencies script (#894)

This PR was generated using Autosynth. 🌈

Synth log will be available here:
https://source.cloud.google.com/results/invocations/bc91c2d7-c025-42b9-ab03-f02a01c15622/targets

- [ ] To automatically regenerate this PR, check this box. (May take up to 24 hours.)

Source-Link: googleapis/synthtool@87254ac

Author: yoshi-automation

.kokoro/dependencies.sh

@@ -14,6 +14,7 @@
 # limitations under the License.
 
 set -eo pipefail
+shopt -s nullglob
 
 ## Get the directory of the build script
 scriptDir=$(realpath $(dirname "${BASH_SOURCE[0]}"))

synth.metadata

@@ -4,14 +4,14 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-storage.git",
-        "sha": "077741c90a8a00c07393a6705d360edcf7b7e67f"
+        "sha": "3c792b47487c4f3f83ebb5ffc0bcfc3f6cf0f297"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "1c0c698705e668ccb3d68556ae7260f16ce63a6e"
+        "sha": "87254ac89a9559864c0a245d6b150406439ce3d8"
       }
     }
   ],