Bump williambdean/closing-labels from 0.0.4 to 0.0.6

Bumps [williambdean/closing-labels](https://github.com/williambdean/closing-labels) from 0.0.4 to 0.0.6.
- [Release notes](https://github.com/williambdean/closing-labels/releases)
- [Commits](williambdean/closing-labels@v0.0.4...v0.0.6)

---
updated-dependencies:
- dependency-name: williambdean/closing-labels
  dependency-version: 0.0.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/pr-auto-label.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Sync labels with closing issues
-      uses: williambdean/[email protected].4
+      uses: williambdean/[email protected].6
       with:
         exclude: "help wanted,needs info,beginner friendly"
       env: