Bump typescript from 3.6.2 to 4.3.2

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.6.2 to 4.3.2.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v3.6.2...v4.3.2)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -16,7 +16,7 @@
     "glob": "7.1.4"
   },
   "devDependencies": {
-    "typescript": ">=3.6.2",
+    "typescript": ">=4.3.2",
     "tslint": ">=5.19.0",
     "ts-node": ">=8.3.0",
     "@types/chai": "4.2.0",