fix(deps): update dependency graphql to v16

Author: renovate-bot

Diff for: package.json

@@ -247,7 +247,7 @@
     "capitalize": "^2.0.4",
     "dotenv": "^10.0.0",
     "escape-html": "^1.0.3",
-    "graphql": "^15",
+    "graphql": "16.1.0",
     "graphql-config": "~4.1.0",
     "graphql-language-service-server": "^2.7.10",
     "graphql-tag": "^2.12.6",