Bump typescript from 3.6.4 to 3.7.4 (#3)

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.6.4 to 3.7.4.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v3.6.4...v3.7.4)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -14,7 +14,7 @@
     "jest": "^24.9.0",
     "ts-jest": "^24.1.0",
     "ts-loader": "^6.2.0",
-    "typescript": "^3.6.3",
+    "typescript": "^3.7.4",
     "webpack": "^4.41.0",
     "webpack-cli": "^3.3.9"
   }