Bump mheap/github-action-required-labels from 4 to 5

Bumps [mheap/github-action-required-labels](https://github.com/mheap/github-action-required-labels) from 4 to 5.
- [Release notes](https://github.com/mheap/github-action-required-labels/releases)
- [Commits](https://github.com/mheap/github-action-required-labels/compare/v4...v5)

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

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

.github/workflows/pb-minimal-labels.yml

@@ -12,7 +12,7 @@ jobs:
         runs-on:
             - ubuntu-latest
         steps:
-            - uses: mheap/github-action-required-labels@v4
+            - uses: mheap/github-action-required-labels@v5
               with:
                 count: 1
                 labels: semver:major, semver:minor, semver:patch
@@ -22,7 +22,7 @@ jobs:
         runs-on:
             - ubuntu-latest
         steps:
-            - uses: mheap/github-action-required-labels@v4
+            - uses: mheap/github-action-required-labels@v5
               with:
                 count: 1
                 labels: type:bug, type:dependency-upgrade, type:documentation, type:enhancement, type:question, type:task