chore(deps-dev): bump karma-typescript-es6-transform from 5.5.2 to 5.5.4

Bumps [karma-typescript-es6-transform](https://github.com/monounity/karma-typescript) from 5.5.2 to 5.5.4.
- [Release notes](https://github.com/monounity/karma-typescript/releases)
- [Commits](https://github.com/monounity/karma-typescript/commits)

---
updated-dependencies:
- dependency-name: karma-typescript-es6-transform
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]