chore(deps-dev): bump mini-css-extract-plugin from 1.6.2 to 2.0.0 (#163)

Bumps [mini-css-extract-plugin](https://github.com/webpack-contrib/mini-css-extract-plugin) from 1.6.2 to 2.0.0.
- [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/v1.6.2...v2.0.0)

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

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

package.json

@@ -41,7 +41,7 @@
     "eslint": "^7.29.0",
     "eslint-config-react-app": "^6.0.0",
     "html-webpack-plugin": "^5.3.2",
-    "mini-css-extract-plugin": "^1.6.0",
+    "mini-css-extract-plugin": "^2.0.0",
     "sass": "^1.35.1",
     "sass-loader": "^12.1.0",
     "source-map-loader": "^3.0.0",