Update raw-loader dependency.

package.json

@@ -49,7 +49,7 @@
     "@ckeditor/ckeditor5-theme-lark": "^12.0.0",
     "@ckeditor/ckeditor5-upload": "^10.0.4",
     "postcss-loader": "^3.0.0",
-    "raw-loader": "^0.5.1",
+    "raw-loader": "^1.0.0",
     "style-loader": "^0.23.0",
     "uglifyjs-webpack-plugin": "^1.2.7",
     "webpack": "^4.15.0",