Bump mini-css-extract-plugin from 2.7.5 to 2.7.6 (#12192)

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](https://github.com/webpack-contrib/mini-css-extract-plugin/compare/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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -300,7 +300,7 @@
     "jest-json-schema": "^6.1.0",
     "jest-watch-typeahead": "^2.2.2",
     "lint-staged": "^13.2.2",
-    "mini-css-extract-plugin": "^2.7.5",
+    "mini-css-extract-plugin": "^2.7.6",
     "mock-express-request": "^0.2.0",
     "mock-express-response": "^0.3.0",
     "node-fetch": "^3.3.1",

yarn.lock

@@ -6988,10 +6988,10 @@ min-indent@^1.0.0:
   resolved "https://registry.yarnpkg.com/min-indent/-/min-indent-1.0.1.tgz#a63f681673b30571fbe8bc25686ae746eefa9869"
   integrity sha512-I9jwMn07Sy/IwOj3zVkVik2JTvgpaykDZEigL6Rx6N9LbMywwUSMtxET+7lVoDLLd3O3IXwJwvuuns8UB/HeAg==
 
-mini-css-extract-plugin@^2.7.5:
-  version "2.7.5"
-  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-2.7.5.tgz#afbb344977659ec0f1f6e050c7aea456b121cfc5"
-  integrity sha512-9HaR++0mlgom81s95vvNjxkg52n2b5s//3ZTI1EtzFb98awsLSivs2LMsVqnQ3ay0PVhqWcGNyDaTE961FOcjQ==
+mini-css-extract-plugin@^2.7.6:
+  version "2.7.6"
+  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-2.7.6.tgz#282a3d38863fddcd2e0c220aaed5b90bc156564d"
+  integrity sha512-Qk7HcgaPkGG6eD77mLvZS1nmxlao3j+9PkrT9Uc7HAE1id3F41+DdBRYRYkbyfNRGzm8/YWtzhw7nVPmwhqTQw==
   dependencies:
     schema-utils "^4.0.0"