chore(release): 1.6.2 [skip ci]

## [1.6.2](https://gitlab.com/to-be-continuous/sqlfluff/compare/1.6.1...1.6.2) (2026-01-06)

### Bug Fixes

* **bash mode:** unmask errors in shell pipelines with 'set -o pipefail' ([b6891107](https://gitlab.com/to-be-continuous/sqlfluff/commit/b68911076f3f79a4a4c37b23bb5f3fe141349225))