chore(deps-dev): bump mini-css-extract-plugin from 2.5.3 to 2.6.0 (#8407)

Bumps [mini-css-extract-plugin](https://github.com/webpack-contrib/mini-css-extract-plugin) from 2.5.3 to 2.6.0.
- [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@v2.5.3...v2.6.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

package.json

@@ -145,7 +145,7 @@
     "leaflet": "^1.6.0",
     "loader.js": "^4.7.0",
     "lodash-es": "^4.17.21",
-    "mini-css-extract-plugin": "^2.5.3",
+    "mini-css-extract-plugin": "^2.6.0",
     "moment-timezone": "^0.5.31",
     "npm-run-all": "^4.1.5",
     "object-to-formdata": "^4.4.2",

yarn.lock

@@ -12725,10 +12725,10 @@ min-document@^2.19.0:
   dependencies:
     dom-walk "^0.1.0"
 
-mini-css-extract-plugin@^2.5.3:
-  version "2.5.3"
-  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-2.5.3.tgz#c5c79f9b22ce9b4f164e9492267358dbe35376d9"
-  integrity sha512-YseMB8cs8U/KCaAGQoqYmfUuhhGW0a9p9XvWXrxVOkE3/IiISTLw4ALNt7JR5B2eYauFM+PQGSbXMDmVbR7Tfw==
+mini-css-extract-plugin@^2.6.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-2.6.0.tgz#578aebc7fc14d32c0ad304c2c34f08af44673f5e"
+  integrity sha512-ndG8nxCEnAemsg4FSgS+yNyHKgkTB4nPKqCOgh65j3/30qqC5RaSQQXMm++Y6sb6E1zRSxPkztj9fqxhS1Eo6w==
   dependencies:
     schema-utils "^4.0.0"