flatpak based on outdated, unmaintained runtimes

[heis2201]

Info: runtime org.kde.Platform branch 5.15-21.08 is end-of-life, with reason:
We strongly recommend moving to the latest stable version of the Platform and SDK
Info: applications using this runtime:
io.github.janbar.noson

Info: runtime org.freedesktop.Platform.VAAPI.Intel branch 21.08 is end-of-life, with reason:
org.freedesktop.Platform 21.08 is no longer receiving fixes and security updates. Please update to a supported runtime version.
Info: applications using this extension:
io.github.janbar.noson

Info: runtime org.freedesktop.Platform.GL.default branch 21.08 is end-of-life, with reason:
org.freedesktop.Platform 21.08 is no longer receiving fixes and security updates. Please update to a supported runtime version.
Info: applications using this extension:
io.github.janbar.noson

See manifest: https://github.com/flathub/io.github.janbar.noson/blob/master/io.github.janbar.noson.json