Bump typescript from 3.9.10 to 4.4.3

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.9.10 to 4.4.3.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v3.9.10...v4.4.3)

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

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

Author: dependabot[bot]

package.json

@@ -28,7 +28,7 @@
     "@types/shelljs": "^0.8.0",
     "@types/yargs": "^11.1.1",
     "ts-node": "^7.0.1",
-    "typescript": "^3.9.7"
+    "typescript": "^4.4.3"
   },
   "git repository": "https://github.com/open-template-hub/open-template-hub-server-generator",
   "repository": {