fix(deps): bump typescript from 3.7.2 to 4.3.5

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.7.2 to 4.3.5.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v3.7.2...v4.3.5)

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

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

package.json

@@ -40,7 +40,7 @@
     "@babel/types": "^7.14.5",
     "commander": "^8.1.0",
     "debug": "^4.3.1",
-    "typescript": "^3.7.2",
+    "typescript": "^4.3.5",
     "walk-sync": "^2.0.2"
   },
   "devDependencies": {