Bump mheap/github-action-required-labels from 5.5.0 to 5.5.1 (#1411)

Bumps [mheap/github-action-required-labels](https://github.com/mheap/github-action-required-labels) from 5.5.0 to 5.5.1.
- [Release notes](https://github.com/mheap/github-action-required-labels/releases)
- [Commits](mheap/github-action-required-labels@388fd6a...8afbe8a)

---
updated-dependencies:
- dependency-name: mheap/github-action-required-labels
  dependency-version: 5.5.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]