Bump bazel-contrib/publish-to-bcr/.github/workflows/publish.yaml

Bumps [bazel-contrib/publish-to-bcr/.github/workflows/publish.yaml](https://github.com/bazel-contrib/publish-to-bcr) from 1.1.0 to 1.2.0.
- [Release notes](https://github.com/bazel-contrib/publish-to-bcr/releases)
- [Commits](bazel-contrib/publish-to-bcr@v1.1.0...v1.2.0)

---
updated-dependencies:
- dependency-name: bazel-contrib/publish-to-bcr/.github/workflows/publish.yaml
  dependency-version: 1.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/publish-to-bcr.yml

@@ -22,7 +22,7 @@ jobs:
       contents: write
       id-token: write
       attestations: write
-    uses: bazel-contrib/publish-to-bcr/.github/workflows/publish.yaml@v1.1.0
+    uses: bazel-contrib/publish-to-bcr/.github/workflows/publish.yaml@v1.2.0
     with:
       tag_name: ${{ inputs.tag_name || github.event.release.tag_name }}
       registry_fork: ${{ inputs.registry_fork || 'open-telemetry/bazel-central-registry' }}