update custom-functions-metadata-plugin (#155)

Author: akrantz

package-lock.json

@@ -37,7 +37,7 @@
     "babel-loader": "^8.0.5",
     "clean-webpack-plugin": "^2.0.1",
     "copy-webpack-plugin": "^5.0.3",
-    "custom-functions-metadata-plugin": "^0.5.1",
+    "custom-functions-metadata-plugin": "^1.0.0",
     "file-loader": "^3.0.1",
     "html-loader": "^0.5.5",
     "html-webpack-plugin": "^3.2.0",