Bump mini-css-extract-plugin and @types/mini-css-extract-plugin

Bumps [mini-css-extract-plugin](https://github.com/webpack-contrib/mini-css-extract-plugin) and [@types/mini-css-extract-plugin](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/mini-css-extract-plugin). These dependencies needed to be updated together.

Updates `mini-css-extract-plugin` from 1.6.2 to 2.9.0
- [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](webpack-contrib/mini-css-extract-plugin@v1.6.2...v2.9.0)

Updates `@types/mini-css-extract-plugin` from 1.4.3 to 2.5.1
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/mini-css-extract-plugin)

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

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

package.json

@@ -53,7 +53,7 @@
         "@types/html-webpack-plugin": "^3.2.5",
         "@types/intersects": "^2.5.0",
         "@types/jest": "^26.0.24",
-        "@types/mini-css-extract-plugin": "^1.4.2",
+        "@types/mini-css-extract-plugin": "^2.5.1",
         "@types/node": "^16.4.6",
         "@types/optimize-css-assets-webpack-plugin": "^5.0.3",
         "@types/terser-webpack-plugin": "^5.0.3",
@@ -76,7 +76,7 @@
         "jest": "^26.6.3",
         "jest-canvas-mock": "^2.3.1",
         "jsdom": "^16.5.3",
-        "mini-css-extract-plugin": "^1.6.0",
+        "mini-css-extract-plugin": "^2.9.0",
         "optimize-css-assets-webpack-plugin": "^5.0.4",
         "prettier": "^2.2.1",
         "pretty-quick": "^3.1.0",