build(deps-dev): bump mini-css-extract-plugin in /html (#662)

Bumps [mini-css-extract-plugin](https://github.com/webpack-contrib/mini-css-extract-plugin) from 1.5.1 to 1.6.0.
- [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](https://github.com/webpack-contrib/mini-css-extract-plugin/compare/v1.5.1...v1.6.0)

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

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

html/package.json

@@ -28,7 +28,7 @@
     "gulp-inline-source": "^4.0.0",
     "gulp-rename": "^2.0.0",
     "html-webpack-plugin": "^5.3.1",
-    "mini-css-extract-plugin": "^1.5.1",
+    "mini-css-extract-plugin": "^1.6.0",
     "node-sass": "^5.0.0",
     "sass-loader": "^11.0.1",
     "scssfmt": "^1.0.7",

html/yarn.lock

@@ -4447,10 +4447,10 @@ mimic-response@^1.0.0, mimic-response@^1.0.1:
   resolved "https://registry.yarnpkg.com/mimic-response/-/mimic-response-1.0.1.tgz#4923538878eef42063cb8a3e3b0798781487ab1b"
   integrity sha512-j5EctnkH7amfV/q5Hgmoal1g2QHFJRraOtmx0JpIqkxhBhI/lJSl1nMpQ45hVarwNETOoWEimndZ4QK0RHxuxQ==
 
-mini-css-extract-plugin@^1.5.1:
-  version "1.5.1"
-  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-1.5.1.tgz#c0ac557c48a7de47de3df0768fe037c9cf961f69"
-  integrity sha512-wEpr0XooH6rw/Mlf+9KTJoMBLT3HujzdTrmohPjAzF47N4Q6yAeczQLpRD/WxvAtXvskcXbily7TAdCfi2M4Dg==
+mini-css-extract-plugin@^1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-1.6.0.tgz#b4db2525af2624899ed64a23b0016e0036411893"
+  integrity sha512-nPFKI7NSy6uONUo9yn2hIfb9vyYvkFu95qki0e21DQ9uaqNKDP15DGpK0KnV6wDroWxPHtExrdEwx/yDQ8nVRw==
   dependencies:
     loader-utils "^2.0.0"
     schema-utils "^3.0.0"