Bump mini-css-extract-plugin from 2.7.2 to 2.7.6 (#539)

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

@@ -36,7 +36,7 @@
     "eslint": "^8.43.0",
     "file-loader": "^6.2.0",
     "jquery": "^3.7.0",
-    "mini-css-extract-plugin": "^2.7.2",
+    "mini-css-extract-plugin": "^2.7.6",
     "css-minimizer-webpack-plugin": "^4.2.2",
     "@selectize/selectize": "^0.15.2",
     "style-loader": "^3.3.2",