chore(release): 4.15.0 [skip ci]

# [4.15.0](https://gitlab.com/to-be-continuous/golang/compare/4.14.0...4.15.0) (2025-08-12)

### Features

* modular workflow rules ([736ae2f1](https://gitlab.com/to-be-continuous/golang/commit/736ae2f11aec9442d9a763de40001c37c0ef958d))