fix(storybook): add change file

Author: PaulGMardling

change/@fluentui-react-storybook-addon-export-to-sandbox-055ab233-3768-4a82-b636-fbd44c7644a0.json

@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "remove custom-babel-loader",
+  "packageName": "@fluentui/react-storybook-addon-export-to-sandbox",
+  "email": "paulmardling@microsoft.com",
+  "dependentChangeType": "patch"
+}