chore(release): 1.0.0-alpha.6 [skip ci]

# [1.0.0-alpha.6](https://code.podlibre.org/podlibre/castopod/compare/v1.0.0-alpha.5...v1.0.0-alpha.6) (2020-10-20)

### Bug Fixes

* **cache:** add locale for podcast and episode pages + clear some persisting cache in models ([9cec8a81](https://code.podlibre.org/podlibre/castopod/commit/9cec8a81ccbb7239402fe6633dbc31979272302a)), closes [#42](https://code.podlibre.org/podlibre/castopod/issues/42) [#61](https://code.podlibre.org/podlibre/castopod/issues/61)