Update dependency mini-css-extract-plugin to v0.12.0

Author: renovate-bot

package.json

@@ -81,7 +81,7 @@
     "less": "3.11.1",
     "less-loader": "5.0.0",
     "lint-staged": "10.5.4",
-    "mini-css-extract-plugin": "0.9.0",
+    "mini-css-extract-plugin": "0.12.0",
     "prettier": "2.2.1",
     "react-test-renderer": "17.0.2",
     "style-loader": "1.3.0",

yarn.lock

@@ -10973,10 +10973,10 @@ mini-create-react-context@^0.3.0:
     gud "^1.0.0"
     tiny-warning "^1.0.2"
 
-mini-css-extract-plugin@0.9.0:
-  version "0.9.0"
-  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-0.9.0.tgz#47f2cf07aa165ab35733b1fc97d4c46c0564339e"
-  integrity sha512-lp3GeY7ygcgAmVIcRPBVhIkf8Us7FZjA+ILpal44qLdSu11wmjKQ3d9k15lfD7pO4esu9eUIAW7qiYIBppv40A==
+mini-css-extract-plugin@0.12.0:
+  version "0.12.0"
+  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-0.12.0.tgz#ddeb74fd6304ca9f99c1db74acc7d5b507705454"
+  integrity sha512-z6PQCe9rd1XUwZ8gMaEVwwRyZlrYy8Ba1gRjFP5HcV51HkXX+XlwZ+a1iAYTjSYwgNBXoNR7mhx79mDpOn5fdw==
   dependencies:
     loader-utils "^1.1.0"
     normalize-url "1.9.1"