Update loaders

package.json

@@ -38,7 +38,7 @@
     "bfj": "6.1.1",
     "case-sensitive-paths-webpack-plugin": "^2.2.0",
     "chalk": "^2.4.2",
-    "css-loader": "^2.1.1",
+    "css-loader": "^3.1.0",
     "dotenv": "^8.0.0",
     "dotenv-expand": "^5.1.0",
     "eslint": "^6.1.0",
@@ -53,7 +53,7 @@
     "eslint-plugin-promise": "^4.2.1",
     "eslint-plugin-react": "^7.14.3",
     "eslint-plugin-standard": "^4.0.0",
-    "file-loader": "^3.0.1",
+    "file-loader": "^4.1.0",
     "fs-extra": "^8.1.0",
     "html-webpack-plugin": "4.0.0-alpha.2",
     "identity-obj-proxy": "3.0.0",
@@ -71,7 +71,7 @@
     "sw-precache-webpack-plugin": "0.11.5",
     "terser-webpack-plugin": "^1.3.0",
     "thread-loader": "^2.1.2",
-    "url-loader": "^1.1.2",
+    "url-loader": "^2.1.0",
     "webpack": "^4.38.0",
     "webpack-dev-server": "^3.7.2",
     "webpack-manifest-plugin": "2.0.4"