Bump mini-css-extract-plugin from 2.6.1 to 2.7.2

Bumps [mini-css-extract-plugin](https://github.com/webpack-contrib/mini-css-extract-plugin) from 2.6.1 to 2.7.2.
- [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/mini-css-extract-plugin@v2.6.1...v2.7.2)

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

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

Author: dependabot[bot]

package-lock.json

@@ -30,7 +30,7 @@
     "css-loader": "6.7.2",
     "css-minimizer-webpack-plugin": "4.2.2",
     "html-minifier": "4.0.0",
-    "mini-css-extract-plugin": "2.6.1",
+    "mini-css-extract-plugin": "2.7.2",
     "postcss": "8.4.20",
     "postcss-loader": "7.0.1",
     "pug": "3.0.2",