Bump mheap/github-action-required-labels in the gha-deps group

Bumps the gha-deps group with 1 update: [mheap/github-action-required-labels](https://github.com/mheap/github-action-required-labels).


Updates `mheap/github-action-required-labels` from 5.4.1 to 5.4.2
- [Release notes](https://github.com/mheap/github-action-required-labels/releases)
- [Commits](mheap/github-action-required-labels@5847eef...d25134c)

---
updated-dependencies:
- dependency-name: mheap/github-action-required-labels
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gha-deps
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/block-merge.yaml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: mheap/github-action-required-labels@5847eef68201219cf0a4643ea7be61e77837bbce # v5.4.1
+      - uses: mheap/github-action-required-labels@d25134c992b943fb6ad00c25ea00eb5988c0a9dd # v5.4.2
         with:
           mode: exactly
           count: 0