Update dependency prettier to v3

Author: renovate[bot]

package-lock.json

@@ -28,7 +28,7 @@
     "@types/node-fetch": "2.6.10",
     "get-graphql-schema": "^2.1.1",
     "gql2ts": "^1.8.2",
-    "prettier": "^1.16.0",
+    "prettier": "^3.0.0",
     "source-map-support": "^0.5.0",
     "tslint": "^5.12.1",
     "typescript": "^3.2.4"