Bump apache/maven-gh-actions-shared/.github/workflows/stale.yml (#1333)

Bumps [apache/maven-gh-actions-shared/.github/workflows/stale.yml](https://github.com/apache/maven-gh-actions-shared) from 4 to 5.
- [Commits](apache/maven-gh-actions-shared@v4...v5)

---
updated-dependencies:
- dependency-name: apache/maven-gh-actions-shared/.github/workflows/stale.yml
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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.github/workflows/stale.yml

@@ -25,4 +25,4 @@ on:
 
 jobs:
   stale:
-    uses: 'apache/maven-gh-actions-shared/.github/workflows/stale.yml@v4'
+    uses: 'apache/maven-gh-actions-shared/.github/workflows/stale.yml@v5'