feat: update appxmanifest and improve build scripts for Windows packa… #18

Job	Run time
build (ubuntu-latest, --bundles appimage,deb,rpm)	5m 38s
build (windows-latest, --bundles nsis,msi)	8m 47s
build (macos-latest, --target universal-apple-darwin --bundles app,dmg,updater)	8m 59s
Build and upload MSIX	9m 51s
	33m 15s

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