Bump typescript from 4.3.3 to 4.3.4

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 4.3.3 to 4.3.4.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/compare/v4.3.3...v4.3.4)

---
updated-dependencies:
- dependency-name: typescript
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -48,7 +48,7 @@
         "terser-webpack-plugin": "^5.1.3",
         "tfx-cli": "^0.9.2",
         "ts-loader": "^9.2.3",
-        "typescript": "^4.3.3",
+        "typescript": "^4.3.4",
         "underscore": ">=1.12.1",
         "webpack": "^5.39.0",
         "webpack-cli": "^4.7.2"