build(deps-dev): bump mini-css-extract-plugin from 2.7.5 to 2.7.6 (#1417

)

Bumps [mini-css-extract-plugin](https://github.com/webpack-contrib/mini-css-extract-plugin) from 2.7.5 to 2.7.6.
- [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@v2.7.5...v2.7.6)

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

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

package.json

@@ -70,7 +70,7 @@
         "less-loader": "^11.1.3",
         "list.js": "^2.3.1",
         "markdown-it": "^13.0.1",
-        "mini-css-extract-plugin": "^2.7.5",
+        "mini-css-extract-plugin": "^2.7.6",
         "postcss-less": "^6.0.0",
         "postcss-loader": "^7.3.3",
         "prettier": "^2.8.8",