Release of version 0.1.16-alpha1

Note: Functional wise this release does not differ to 0.1.15-alpha4. Version change was not committed and a new features was not mentioned.

• Fix: Deprecated entities (i.e. SUPPORT_BROWSE_MEDIA) have been removed from HA 2024.1, leading to an exception #58
• Fix: Error while setting up teufel_raumfeld platform for media_player #63
• Fix: The volume of the announcement is adjusted during playback via the media browser. #52
• New: Number entities for room volume: #40 (comment)

Special thanks to @klausw01 who contributed the fixes for #58 and #63!

**Full Changelog**: https://github.com/B5r1oJ0A9G/teufel_raumfeld/compare/8e0f9fb...f6b9c4c