Update dependency ts-graphql-plugin to v3

Author: renovate[bot]

package.json

@@ -70,7 +70,7 @@
     "parcel-bundler": "^1.12.5",
     "prettier": "^2.5.1",
     "recursive-readdir": "^2.2.2",
-    "ts-graphql-plugin": "^2.1.6",
+    "ts-graphql-plugin": "^3.0.0",
     "ts-node": "^10.7.0",
     "tslint": "^6.1.3",
     "typescript": "^4.6.4",