chore(release): 1.0.0-alpha.22 [skip ci]

# [1.0.0-alpha.22](https://code.podlibre.org/podlibre/castopod/compare/v1.0.0-alpha.21...v1.0.0-alpha.22) (2020-11-24)

### Features

* **rss:** add transcript and chapters support ([e769d83a](https://code.podlibre.org/podlibre/castopod/commit/e769d83a932c169e52a630a17cd4dd8ac5cebaf6)), closes [#72](https://code.podlibre.org/podlibre/castopod/issues/72) [#82](https://code.podlibre.org/podlibre/castopod/issues/82)