Flatpak needs to update gnome platforms

[harukayamazaki]

Describe the bug
Info: runtime org.gnome.Platform branch 42 is end-of-life, with reason:
The GNOME 42 runtime is no longer supported as of March 21, 2023. Please ask your application developer to migrate to a supported platform.
Info: applications using this runtime:
io.github.am2r_community_developers.AM2RLauncher

Info: runtime org.gnome.Platform.Compat.i386 branch 42 is end-of-life, with reason:
The GNOME 42 runtime is no longer supported as of March 21, 2023. Please ask your application developer to migrate to a supported platform.
Info: applications using this extension:
io.github.am2r_community_developers.AM2RLauncher

[Miepee]

See flathub/io.github.am2r_community_developers.AM2RLauncher#4

There were a few things i needed to work on, and IRL stuff has gotten in the way.