v3.2.0: FA6 icons and minor fixes

v3.2.0

Minor release.

• Fix menu options having incorrect keybindings.
• Fix radio stream favorites button not working on search.
• Enable menu icons on macOS.
• Update icons to FontAwesome 6.
• Improve palette change handling.

What's Changed

• git: linux flatpak action by @nullobsi in #8
• feat: FA6 icons & proper palette changes by @nullobsi in #7
• fix: use after free segfault by @nullobsi in #10
• fix: #6 enable favorites action for stream search by @nullobsi in #11
• Release v3.2.0 by @nullobsi in #12
• fix: metainfo description tag by @nullobsi in #13

Full Changelog: v3.1.0...v3.2.0