Update dependency css-loader to v5.2.7

Author: renovate-bot

package.json

@@ -67,7 +67,7 @@
     "babel-jest": "26.6.3",
     "babel-loader": "8.2.2",
     "babel-plugin-module-resolver": "4.1.0",
-    "css-loader": "5.2.4",
+    "css-loader": "5.2.7",
     "cssnano": "4.1.11",
     "enzyme": "3.11.0",
     "enzyme-adapter-react-16": "1.15.6",