Bump cssnano from 6.1.0 to 6.1.1 (#3491)

Bumps [cssnano](https://github.com/cssnano/cssnano) from 6.1.0 to 6.1.1.
- [Release notes](https://github.com/cssnano/cssnano/releases)
- [Commits](https://github.com/cssnano/cssnano/compare/[email protected]@6.1.1)

---
updated-dependencies:
- dependency-name: cssnano
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -10,7 +10,7 @@
     "@babel/preset-env": "^7.24.3",
     "babel-loader": "^9.1.3",
     "core-js": "^3.36.1",
-    "cssnano": "^6.1.0",
+    "cssnano": "^6.1.1",
     "glob": "^10.3.10",
     "gulp": "^4.0.2",
     "gulp-cached": "^1.1.1",