fix(default-value): add flag to utilize generated enum types for default values

Author: sutt0n

package.json

@@ -64,6 +64,7 @@
     "@graphql-codegen/schema-ast": "4.0.2",
     "@graphql-codegen/visitor-plugin-common": "^5.0.0",
     "@graphql-tools/utils": "^10.0.0",
+    "change-case": "^5.4.4",
     "graphlib": "^2.1.8",
     "graphql": "^16.6.0"
   },