3.2.0-alpha

• Don't grab audio focus on connect in dynamic mode, thanks to @bnayahu
• Acquire transient audio focus while AA audio plays, thanks to @bnayahu
• Add GitHub Actions CI (build + unit tests), thanks to @bnayahu
• Fix picture stuck if used within DUDU's PiP, thanks to @MrEAlderson
• Fix(wifi): use public API for frequency, thanks to @DerTeufel
• Added pixel aspect ratio setting, thanks to @axel92b