Bump mini-css-extract-plugin from 2.5.3 to 2.6.0 (#358)

Bumps [mini-css-extract-plugin](https://github.com/webpack-contrib/mini-css-extract-plugin) from 2.5.3 to 2.6.0.
- [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](https://github.com/webpack-contrib/mini-css-extract-plugin/compare/v2.5.3...v2.6.0)

---
updated-dependencies:
- dependency-name: mini-css-extract-plugin
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -69,7 +69,7 @@
     "favicons-webpack-plugin": "^5.0.2",
     "html-loader": "^3.1.0",
     "html-webpack-plugin": "^5.3.1",
-    "mini-css-extract-plugin": "^2.5.3",
+    "mini-css-extract-plugin": "^2.6.0",
     "path-browserify": "^1.0.1",
     "sass": "^1.49.9",
     "sass-loader": "^12.6.0",