feat(chart): deny EtcdMember deletion at admission (#348)

fix(controllers): derive --initial-cluster-state from phase, not from…

… the seed (#355)

fix(agent): default S3 RequestChecksumCalculation to WhenRequired (#342)

feat(main): add image parameters for air-gapped cases (#337)

docs(migration): expand guide on TLS nuances (#331)

fix(ci): adapted CI workflows for the new version (#328)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **New Features**
* Helm-based installer and packaged release manifests with configurable
CRD handling
* Multi-arch container images published and signed; cross-compiled CLI
binaries with build-stamped version command
  * Automated draft release notes generation and release-asset uploads
* **Chores**
* CI updated to run against main; new publish and smoke-test pipelines;
removed legacy kustomize deploy paths
* **Documentation**
* Installation, migration, and operations docs updated for Helm-centric
workflows
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

---------

Signed-off-by: Andrey Kolkov <androndo@gmail.com>
Signed-off-by: Timofei Larkin <lllamnyp@gmail.com>
Co-authored-by: Timofei Larkin <lllamnyp@gmail.com>

fix(backup): restore-datadir was broken (#317)

feat(backup): add EtcdBackupStatus.snapshot to describe created artif…

…act (#316)

chore: update codeowners (#309)

Update MAINTAINERS.md (#287)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **Documentation**
- Added Kirill Klinchenkov and Timofei Larkin as new maintainers in the
maintainers list.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->