chore: update css-loader

package.json

@@ -34,7 +34,7 @@
     "codecov": "3.5.0",
     "concurrently": "4.1.1",
     "cross-env": "5.2.0",
-    "css-loader": "0.28.10",
+    "css-loader": "3.2.0",
     "date-fns": "1.30.1",
     "emotion": "9.2.12",
     "enzyme": "3.10.0",
@@ -59,6 +59,7 @@
     "jest-environment-jsdom": "24.8.0",
     "jest-environment-jsdom-global": "1.2.0",
     "jest-environment-node": "24.8.0",
+    "js-base64": "2.5.1",
     "js-yaml": "3.13.1",
     "localstorage-memory": "1.0.3",
     "mini-css-extract-plugin": "0.8.0",