chore: update Flatpak packaging and metadata for v1.1.5 release #37

Job	Run time
build (macos-13, x64, macos-13, packageReleaseDmg packageReleasePkg, macos)	15m 50s
build (macos-latest, arm64, macos-15, packageReleaseDmg packageReleasePkg, macos)	7m 0s
build (ubuntu-22.04-arm, arm64, ubuntu-22.04-arm, packageReleaseDeb, linux)	5m 18s
build (windows-latest, x64, windows-latest, packageReleaseMsi packageReleaseExe, windows)	6m 31s
build (ubuntu-24.04-arm, arm64, ubuntu-24.04-arm, rocky-linux-8)	7m 5s
build (ubuntu-latest, x64, ubuntu-latest, rocky-linux-8)	5m 56s
build (ubuntu-22.04, x64, ubuntu-22.04, packageReleaseDeb, linux)	6m 7s
build (windows-11-arm, arm64, windows-11-arm, packageReleaseMsi packageReleaseExe, windows)	6m 9s
release	23s
	1h 0m 19s

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