Upgrade css-loader to 6.0

Author: shepmaster

ui/frontend/package.json

@@ -49,7 +49,7 @@
     "basename": "^0.1.2",
     "compression-webpack-plugin": "^8.0.0",
     "copy-webpack-plugin": "^9.0.0",
-    "css-loader": "^5.1.1",
+    "css-loader": "^6.0.0",
     "eslint": "^7.4.0",
     "eslint-plugin-react": "^7.14.3",
     "eslint-plugin-react-hooks": "^4.0.0",

ui/frontend/yarn.lock

@@ -2393,20 +2393,18 @@ css-in-js-utils@^2.0.0:
     hyphenate-style-name "^1.0.2"
     isobject "^3.0.1"
 
-css-loader@^5.1.1:
-  version "5.2.7"
-  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-5.2.7.tgz#9b9f111edf6fb2be5dc62525644cbc9c232064ae"
-  integrity sha512-Q7mOvpBNBG7YrVGMxRxcBJZFL75o+cH2abNASdibkj/fffYD8qWbInZrD0S9ccI6vZclF3DsHE7njGlLtaHbhg==
+css-loader@^6.0.0:
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-6.3.0.tgz#334d3500ff0a0c14cfbd4b0670088dbb5b5c1530"
+  integrity sha512-9NGvHOR+L6ps13Ilw/b216++Q8q+5RpJcVufCdW9S/9iCzs4KBDNa8qnA/n3FK/sSfWmH35PAIK/cfPi7LOSUg==
   dependencies:
     icss-utils "^5.1.0"
-    loader-utils "^2.0.0"
     postcss "^8.2.15"
     postcss-modules-extract-imports "^3.0.0"
     postcss-modules-local-by-default "^4.0.0"
     postcss-modules-scope "^3.0.0"
     postcss-modules-values "^4.0.0"
     postcss-value-parser "^4.1.0"
-    schema-utils "^3.0.0"
     semver "^7.3.5"
 
 css-parse@~2.0.0: