Bump actions/stale from v3.0.17 to v3.0.18 (#371)

Bumps [actions/stale](https://github.com/actions/stale) from v3.0.17 to v3.0.18.
- [Release notes](https://github.com/actions/stale/releases)
- [Commits](actions/stale@v3.0.17...3b3c3f0)

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

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

.github/workflows/stale.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/stale@v3.0.17
+      - uses: actions/stale@v3.0.18
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           stale-issue-message: 'This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 5 days'