chore(release): 1.0.0-beta.15 [skip ci]

# [1.0.0-beta.15](v1.0.0-beta.14...v1.0.0-beta.15) (2022-06-14)

### Bug Fixes

* replace deletedField with published_at for episodes ([14d7d078](14d7d078))

### Features

* add default icons to Alert component ([0d980012](0d980012))
* add permanent delete feature for podcasts  ([dbb4030d](dbb4030d)), closes [#89](#89)
* apply colour theme to embed player ([9548337a](9548337a)), closes [#201](#201)
* **episodes:** replace soft delete with permanent delete ([eb9ff522](eb9ff522))