chore(deps): update dependency graphql to v16.8.1 [security]

Author: renovate[bot]

package-lock.json

@@ -38,7 +38,7 @@
     "@apollo/server": "4.9.5",
     "coveralls": "3.1.1",
     "express": "4.19.2",
-    "graphql": "16.6.0",
+    "graphql": "16.8.1",
     "mocha": "10.7.3",
     "nyc": "15.1.0",
     "standard": "16.0.4",