Bump actions/stale from 7.0.0 to 8.0.0

Bumps [actions/stale](https://github.com/actions/stale) from 7.0.0 to 8.0.0.
- [Release notes](https://github.com/actions/stale/releases)
- [Changelog](https://github.com/actions/stale/blob/main/CHANGELOG.md)
- [Commits](actions/stale@6f05e42...1160a22)

---
updated-dependencies:
- dependency-name: actions/stale
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/stale-issue-gardening.yml

@@ -42,7 +42,7 @@ jobs:
 
         steps:
             - name: Update issues
-              uses: actions/stale@6f05e4244c9a0b2ed3401882b05d701dd0a7289b # v7.0.0
+              uses: actions/stale@1160a2240286f5da8ec72b1c0816ce2481aabf84 # v8.0.0
               with:
                   repo-token: ${{ secrets.GITHUB_TOKEN }}
                   stale-issue-message: ${{ matrix.message }}