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-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

package.json

@@ -41,7 +41,7 @@
     "semver": "^7.1.0",
     "standard": "^14.0.0",
     "tap": "^14.0.0",
-    "typescript": "^3.7.5"
+    "typescript": "^4.0.2"
   },
   "dependencies": {
     "ajv": "^6.11.0",