chore(release): 1.12.7 [skip ci]

## [1.12.7](adaures/castopod@v1.12.6...v1.12.7) (2024-08-14)

### Bug Fixes

* **episode:** do not change slug when editing episode title ([89bf73b8](adaures/castopod@89bf73b8)), closes [#513](adaures/castopod#513)
* **preview:** delete episode preview cache after editing episode ([6a2cdd06](adaures/castopod@6a2cdd06)), closes [#514](adaures/castopod#514)