build(deps-dev): 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] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -52,7 +52,7 @@
     "sort-keys": "^4.0.0",
     "string-to-jsdoc-comment": "^1.0.0",
     "ts-jest": "^26.1.3",
-    "typescript": "^3.7.2"
+    "typescript": "^4.0.2"
   },
   "jest": {
     "preset": "ts-jest",