Bump mini-css-extract-plugin from 2.9.0 to 2.9.1 (#7002)

Bumps [mini-css-extract-plugin](https://github.com/webpack-contrib/mini-css-extract-plugin) from 2.9.0 to 2.9.1.
- [Release notes](https://github.com/webpack-contrib/mini-css-extract-plugin/releases)
- [Changelog](https://github.com/webpack-contrib/mini-css-extract-plugin/blob/master/CHANGELOG.md)
- [Commits](webpack-contrib/mini-css-extract-plugin@v2.9.0...v2.9.1)

---
updated-dependencies:
- dependency-name: mini-css-extract-plugin
  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

@@ -69,7 +69,7 @@
     "lodash.throttle": "4.1.1",
     "lodash.uniqby": "4.7.0",
     "luxon": "^3.5.0",
-    "mini-css-extract-plugin": "2.9.0",
+    "mini-css-extract-plugin": "2.9.1",
     "normalize-path": "^3.0.0",
     "postcss": "8.4.41",
     "postcss-hexrgba": "2.1.0",