chore(release): 4.5.3 [skip ci]

## [4.5.3](https://gitlab.com/to-be-continuous/dbt/compare/4.5.2...4.5.3) (2025-07-05)

### Bug Fixes

* fix unscope_variables ([21fa10aa](https://gitlab.com/to-be-continuous/dbt/commit/21fa10aae713e8a19111212c826fb6693acbe420))