flatpak: use older version of gnome #65

Job	Run time
Test	12s
Test	12s
Build (ask-mai-flatpak)	1m 57s
Build (ask-mai-flatpak)	1m 40s
Build (ask-mai-linux-amd64, linux/amd64, ubuntu-latest)	5m 45s
Build (ask-mai-linux-amd64, linux/amd64, ubuntu-latest)	5m 45s
Build (ask-mai-windows-amd64, windows/amd64, windows-latest)	8m 41s
Build (ask-mai-windows-amd64, windows/amd64, windows-latest)	8m 41s
Build (ask-mai-windows-arm64, windows/arm64, windows-latest)	3m 42s
Build (ask-mai-windows-arm64, windows/arm64, windows-latest)	3m 42s
Build (ask-mai-windows-386, windows/386, windows-latest)	8m 10s
Build (ask-mai-windows-386, windows/386, windows-latest)	8m 10s
Build (ask-mai-darwin-amd64, darwin/amd64, macos-latest)	2m 27s
Build (ask-mai-darwin-amd64, darwin/amd64, macos-latest)	2m 27s
Build (ask-mai-darwin-arm64, darwin/arm64, macos-latest)	2m 46s
Build (ask-mai-darwin-arm64, darwin/arm64, macos-latest)	2m 46s
Build (ask-mai-darwin-universal, darwin/universal, macos-latest)	3m 51s
Build (ask-mai-darwin-universal, darwin/universal, macos-latest)	3m 51s
	1h 14m 45s

Provide feedback