chore(deps): bump graphql from 15.8.0 to 16.6.0

Bumps [graphql](https://github.com/graphql/graphql-js) from 15.8.0 to 16.6.0.
- [Release notes](https://github.com/graphql/graphql-js/releases)
- [Commits](graphql/graphql-js@v15.8.0...v16.6.0)

---
updated-dependencies:
- dependency-name: graphql
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

packages/hoppscotch-app/package.json

@@ -79,7 +79,7 @@
     "firebase": "^9.6.11",
     "fp-ts": "^2.11.10",
     "fuse.js": "^6.5.3",
-    "graphql": "^15.5.0",
+    "graphql": "^16.6.0",
     "graphql-language-service-interface": "^2.9.1",
     "graphql-language-service-parser": "^1.10.4",
     "graphql-tag": "^2.12.6",