build: bump karma-sauce-launcher from 2.0.2 to 4.3.5

Bumps [karma-sauce-launcher](https://github.com/karma-runner/karma-sauce-launcher) from 2.0.2 to 4.3.5.
- [Release notes](https://github.com/karma-runner/karma-sauce-launcher/releases)
- [Changelog](https://github.com/karma-runner/karma-sauce-launcher/blob/master/CHANGELOG.md)
- [Commits](https://github.com/karma-runner/karma-sauce-launcher/commits/v4.3.5)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -137,7 +137,7 @@
     "karma-jasmine": "^4.0.1",
     "karma-parallel": "^0.3.0",
     "karma-requirejs": "^1.1.0",
-    "karma-sauce-launcher": "^2.0.2",
+    "karma-sauce-launcher": "^4.3.5",
     "karma-sourcemap-loader": "^0.3.7",
     "madge": "^4.0.0",
     "marked": "^1.0.0",