Bump typescript from 3.9.7 to 4.1.4 (#48)

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.9.7 to 4.1.4.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v3.9.7...v4.1.4)

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

@@ -53,7 +53,7 @@
         "eslint-plugin-react": "^7.22.0",
         "jest": "^26.6.3",
         "jest-fetch-mock": "^3.0.3",
-        "typescript": "^3.9.7"
+        "typescript": "^4.1.4"
     },
     "jest": {
         "collectCoverageFrom": [