chore(deps): bump Wandalen/wretry.action from 3.7.3 to 3.8.0

Bumps [Wandalen/wretry.action](https://github.com/wandalen/wretry.action) from 3.7.3 to 3.8.0.
- [Release notes](https://github.com/wandalen/wretry.action/releases)
- [Commits](Wandalen/wretry.action@v3.7.3...v3.8.0)

---
updated-dependencies:
- dependency-name: Wandalen/wretry.action
  dependency-version: 3.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/release-rh-shield-operator.yaml

@@ -112,7 +112,7 @@ jobs:
             image checksum, as well as adjusting some metadata that is required for certification.
 
       - name: Wait for Pull Request to be merged
-        uses: Wandalen/wretry.action@v3.7.3
+        uses: Wandalen/wretry.action@v3.8.0
         with:
           command: gh pr view ${{ steps.open-pr.outputs.pull-request-number }} --json state -q .state | grep MERGED
           attempt_limit: 240  # Results in 2 hours of waiting