Bump typescript from 3.9.7 to 4.0.2

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.9.7 to 4.0.2.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v3.9.7...v4.0.2)

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

package.json

@@ -44,6 +44,6 @@
         "nodemon": "^2.0.4",
         "supertest": "^4.0.2",
         "tap": "^14.10.8",
-        "typescript": "^3.9.7"
+        "typescript": "^4.0.2"
     }
 }