Bump typescript from 4.5.4 to 4.6.4 in /cer-graphql

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 4.5.4 to 4.6.4.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v4.5.4...v4.6.4)

---
updated-dependencies:
- dependency-name: typescript
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

cer-graphql/package-lock.json

@@ -41,6 +41,6 @@
     "nodemon": "^2.0.15",
     "ts-jest": "^27.1.3",
     "ts-node": "10.4.0",
-    "typescript": "^4.5.4"
+    "typescript": "^4.6.4"
   }
 }