Bump github/gh-aw from 0.50.6 to 0.51.5

Bumps [github/gh-aw](https://github.com/github/gh-aw) from 0.50.6 to 0.51.5.
- [Release notes](https://github.com/github/gh-aw/releases)
- [Commits](github/gh-aw@v0.50.6...v0.51.5)

---
updated-dependencies:
- dependency-name: github/gh-aw
  dependency-version: 0.51.5
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/agentics-maintenance.yml

@@ -49,7 +49,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Setup Scripts
-        uses: github/gh-aw/actions/setup@v0.50.6
+        uses: github/gh-aw/actions/setup@v0.51.5
         with:
           destination: /opt/gh-aw/actions