update changelog for release v0.3.5-alpha [no ci]

CHANGELOG.md

@@ -4,6 +4,8 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
+
+## [0.3.5-alpha] - 2022-01-05
 ### Fixed
 - Fix bundled ffmpeg version in base docker image (NOT nvidia or vaapi) which prevented playback since v0.3.0-alpha
 - Use software decoding for mpeg4 content when VAAPI acceleration is enabled
@@ -874,7 +876,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Initial release to facilitate testing outside of Docker.
 
 
-[Unreleased]: https://github.com/jasongdove/ErsatzTV/compare/v0.3.4-alpha...HEAD
+[Unreleased]: https://github.com/jasongdove/ErsatzTV/compare/v0.3.5-alpha...HEAD
+[0.3.5-alpha]: https://github.com/jasongdove/ErsatzTV/compare/v0.3.4-alpha...v0.3.5-alpha
 [0.3.4-alpha]: https://github.com/jasongdove/ErsatzTV/compare/v0.3.3-alpha...v0.3.4-alpha
 [0.3.3-alpha]: https://github.com/jasongdove/ErsatzTV/compare/v0.3.2-alpha...v0.3.3-alpha
 [0.3.2-alpha]: https://github.com/jasongdove/ErsatzTV/compare/v0.3.1-alpha...v0.3.2-alpha