Make the GUI x-platform and adapt the CI/CD pipeline to accommodate that #769

Job	Run time
format	16s
pack (DiscordChatExporter.Cli, win-arm64)	1m 6s
pack (DiscordChatExporter.Cli, win-x86)	46s
pack (DiscordChatExporter.Cli, win-x64)	1m 32s
test	0s
pack (DiscordChatExporter.Cli, linux-arm)	1m 27s
pack (DiscordChatExporter.Cli, linux-arm64)	1m 1s
pack (DiscordChatExporter.Cli, linux-musl-x64)	45s
pack (DiscordChatExporter.Cli, linux-x64)	39s
pack (DiscordChatExporter.Cli, osx-arm64)	1m 18s
pack (DiscordChatExporter.Cli, osx-x64)	1m 5s
pack (DiscordChatExporter.Gui, win-arm64)	1m 28s
pack (DiscordChatExporter.Gui, win-x86)	54s
pack (DiscordChatExporter.Gui, win-x64)	1m 54s
pack (DiscordChatExporter.Gui, linux-arm)	1m 39s
pack (DiscordChatExporter.Gui, linux-arm64)	1m 57s
pack (DiscordChatExporter.Gui, linux-musl-x64)	1m 28s
pack (DiscordChatExporter.Gui, linux-x64)	1m 4s
pack (DiscordChatExporter.Gui, osx-arm64)	1m 25s
pack (DiscordChatExporter.Gui, osx-x64)	1m 39s
release	0s
deploy	0s
notify	0s
	23m 23s

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