Bump apache/maven-gh-actions-shared/.github/workflows/pr-automation.yml (#56)

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

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

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

.github/workflows/pr-automation.yml

diff --git a/.github/workflows/pr-automation.yml b/.github/workflows/pr-automation.yml
index 5307595..de4e3e0 100644
--- a/.github/workflows/pr-automation.yml
+++ b/.github/workflows/pr-automation.yml
@@ -24,4 +24,4 @@
 jobs:
   pr-automation:
     name: PR Automation
-    uses: apache/maven-gh-actions-shared/.github/workflows/pr-automation.yml@v4
+    uses: apache/maven-gh-actions-shared/.github/workflows/pr-automation.yml@v5