Update typescript requirement from 3.2.2 to 3.2.4 (#3953)

Updates the requirements on [typescript](https://github.com/Microsoft/TypeScript) to permit the latest version.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/commits/v3.2.4

)

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

package.json

@@ -216,7 +216,7 @@
 		"ts-node": "7.0.1",
 		"tslint": "5.12.0",
 		"tslint-sonarts": "1.8.0",
-		"typescript": "3.2.2",
+		"typescript": "3.2.4",
 		"typescript-eslint-parser": "21.0.2",
 		"uglify-es": "3.3.9",
 		"url-loader": "1.1.2",