chore(release): 6.0.3 [skip ci]

## [6.0.3](https://gitlab.com/to-be-continuous/gcloud/compare/6.0.2...6.0.3) (2026-01-06)

### Bug Fixes

* **bash mode:** unmask errors in shell pipelines with 'set -o pipefail' ([04c9d7bf](https://gitlab.com/to-be-continuous/gcloud/commit/04c9d7bf9c0b59a3ae17423fabb7ffeebdc4d06a))