Bump graphql from 14.7.0 to 16.6.0

Bumps [graphql](https://github.com/graphql/graphql-js) from 14.7.0 to 16.6.0.
- [Release notes](https://github.com/graphql/graphql-js/releases)
- [Commits](graphql/graphql-js@v14.7.0...v16.6.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -52,7 +52,7 @@
     "core-js": "^3.16.4",
     "diff-match-patch": "^1.0.4",
     "dompurify": "^2.3.1",
-    "graphql": "^14.6.0",
+    "graphql": "^16.6.0",
     "graphql-tag": "2.11.0",
     "karma-spec-reporter": "0.0.32",
     "moment": "^2.24.0",