Bump mini-css-extract-plugin from 0.9.0 to 0.10.0

Bumps [mini-css-extract-plugin](https://github.com/webpack-contrib/mini-css-extract-plugin) from 0.9.0 to 0.10.0.
- [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/mini-css-extract-plugin@v0.9.0...v0.10.0)

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

Author: dependabot[bot]

package.json

@@ -31,7 +31,7 @@
     "cross-env": "7.0.2",
     "css-loader": "4.2.1",
     "file-loader": "6.0.0",
-    "mini-css-extract-plugin": "0.9.0",
+    "mini-css-extract-plugin": "0.10.0",
     "postcss-loader": "3.0.0",
     "sass": "1.26.10",
     "sass-loader": "9.0.3",