⬆️ Bump typescript from 3.9.7 to 4.0.2 (#13)

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.9.7 to 4.0.2.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/compare/v3.9.7...v4.0.2)

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

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

package.json

@@ -35,7 +35,7 @@
         "eslint-plugin-github": "^4.1.1",
         "eslint-plugin-jest": "^23.20.0",
         "js-yaml": "^3.14.0",
+        "typescript": "^4.0.2"
         "prettier": "2.1.1",
-        "typescript": "^3.9.7"
     }
 }