build(deps-dev): bump typescript from 3.9.7 to 4.0.2 (#20)

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)

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

package.json

@@ -54,7 +54,7 @@
     "prettier": "^2.0.5",
     "tailwindcss": "^1.6.2",
     "ts-node": "^8.10.2",
-    "typescript": "^3.9.7"
+    "typescript": "^4.0.2"
   },
   "config": {
     "commitizen": {