chore(deps): bump chainguard-images/actions (#5917)

Bumps [chainguard-images/actions](https://github.com/chainguard-images/actions) from 1.0.27 to 1.0.28.
- [Release notes](https://github.com/chainguard-images/actions/releases)
- [Commits](chainguard-images/actions@v1.0.27...v1.0.28)

---
updated-dependencies:
- dependency-name: chainguard-images/actions
  dependency-version: 1.0.28
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/actions/build-custom-image-with-apko/action.yml

@@ -47,7 +47,7 @@ runs:
         export GIT_TAG=${{ inputs.git-tag }}
         envsubst '${GIT_TAG}' < ${{ inputs.context }}/apko.yaml.tmpl > ${{ inputs.context }}/apko.yaml
 
-    - uses: chainguard-images/actions/apko-publish@v1.0.27
+    - uses: chainguard-images/actions/apko-publish@v1.0.28
       with:
         config: ${{ inputs.context }}/apko.yaml
         archs: amd64,arm64