Valour v0.9.19

What's Changed

• Run the call keep-alive as a microphone foreground service by @SpikeViper in #1711
• Child Safety Email from support to safety by @SkyJoshua in #1715
• Optimize app load, channel open, and client render cost by @SpikeViper in #1723
• 0.9.19: run the call service as a microphone service by @SpikeViper in #1722

Full Changelog: v0.9.18...v0.9.19