chore(deps): update bazel-contrib/publish-to-bcr action to v0.2.1 (#2233)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/publish.yaml

@@ -20,7 +20,7 @@ on:
                 type: string
 jobs:
     publish:
-        uses: bazel-contrib/publish-to-bcr/.github/workflows/publish.yaml@v0.1.0
+        uses: bazel-contrib/publish-to-bcr/.github/workflows/publish.yaml@v0.2.1
         with:
             tag_name: ${{ inputs.tag_name }}
             # GitHub repository which is a fork of the upstream where the Pull Request will be opened.