chore: bump actions/stale from 10 to 11

Bumps [actions/stale](https://github.com/actions/stale) from 10 to 11.
- [Release notes](https://github.com/actions/stale/releases)
- [Changelog](https://github.com/actions/stale/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/stale/compare/v10...v11)

---
updated-dependencies:
- dependency-name: actions/stale
  dependency-version: '11'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/stale.yaml

@@ -7,7 +7,7 @@ jobs:
   stale:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/stale@v10
+      - uses: actions/stale@v11
         with:
           stale-issue-message: >
             This issue is stale because it has been open 15 days with no activity. Remove stale label or comment or this will be closed in 5 days.

package.json

@@ -5,7 +5,7 @@
   },
   "devDependencies": {
     "cssnano": "^8.0.0",
-    "cssnano-preset-advanced": "^9.0.4",
+    "cssnano-preset-advanced": "^8.0.0",
     "gulp": "^5.0.0",
     "gulp-concat": "^2.6.1",
     "gulp-gzip": "^1.4.2",