Bump ts-loader from 4.4.1 to 4.4.2

Bumps [ts-loader](https://github.com/TypeStrong/ts-loader) from 4.4.1 to 4.4.2.
- [Release notes](https://github.com/TypeStrong/ts-loader/releases)
- [Changelog](https://github.com/TypeStrong/ts-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/TypeStrong/ts-loader/compare/v4.4.1...v4.4.2)

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

package.json

@@ -10,7 +10,7 @@
     "eslint": "^5.0.1",
     "geckodriver": "^1.11.0",
     "selenium-webdriver": "^4.0.0-alpha.1",
-    "ts-loader": "^4.0.1",
+    "ts-loader": "^4.4.2",
     "typescript": "^2.7.2",
     "webpack": "^4.11.1",
     "webpack-cli": "^2.0.10",