Bump mini-css-extract-plugin from 2.7.2 to 2.7.3

Bumps [mini-css-extract-plugin](https://github.com/webpack-contrib/mini-css-extract-plugin) from 2.7.2 to 2.7.3.
- [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/v2.7.2...v2.7.3)

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

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

package.json

@@ -28,7 +28,7 @@
     "jquery-ujs": "^1.2.3",
     "jstree": "^3.3.15",
     "keycharm": "^0.4.0",
-    "mini-css-extract-plugin": "^2.7.2",
+    "mini-css-extract-plugin": "^2.7.3",
     "moment": "^2.29.4",
     "opensans-webkit": "^1.1.0",
     "pnp-webpack-plugin": "^1.7.0",

yarn.lock

@@ -3164,10 +3164,10 @@ mimic-fn@^2.1.0:
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-2.1.0.tgz#7ed2c2ccccaf84d3ffcb7a69b57711fc2083401b"
   integrity sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==
 
-mini-css-extract-plugin@^2.7.2:
-  version "2.7.2"
-  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-2.7.2.tgz#e049d3ea7d3e4e773aad585c6cb329ce0c7b72d7"
-  integrity sha512-EdlUizq13o0Pd+uCp+WO/JpkLvHRVGt97RqfeGhXqAcorYo1ypJSpkV+WDT0vY/kmh/p7wRdJNJtuyK540PXDw==
+mini-css-extract-plugin@^2.7.3:
+  version "2.7.3"
+  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-2.7.3.tgz#794aa4d598bf178a66b2a35fe287c3df3eac394e"
+  integrity sha512-CD9cXeKeXLcnMw8FZdtfrRrLaM7gwCl4nKuKn2YkY2Bw5wdlB8zU2cCzw+w2zS9RFvbrufTBkMCJACNPwqQA0w==
   dependencies:
     schema-utils "^4.0.0"