chore(release): 6.6.4 [skip ci]

## [6.6.4](https://gitlab.com/to-be-continuous/python/compare/6.6.3...6.6.4) (2024-2-2)

### Bug Fixes

* sanitize variable substitution pattern ([c1cf8c38](https://gitlab.com/to-be-continuous/python/commit/c1cf8c387f37dfdc29958d9168f13736707f135f))