chore(deps): bump karma-typescript-es6-transform

Bumps [karma-typescript-es6-transform](https://github.com/monounity/karma-typescript) from 5.3.0 to 5.4.0.
- [Release notes](https://github.com/monounity/karma-typescript/releases)
- [Commits](monounity/karma-typescript@v5.3.0...v5.4.0)

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

packages/stark-testing/package.json

@@ -34,7 +34,7 @@
     "karma-sourcemap-loader": "^0.3.7",
     "karma-typescript": "^5.0.0",
     "karma-typescript-angular2-transform": "^5.0.0",
-    "karma-typescript-es6-transform": "5.1.0",
+    "karma-typescript-es6-transform": "5.4.0",
     "protractor": "^5.4.2",
     "puppeteer": "^7.1.0"
   },