Repository navigation

feature: use XDG standard directories on Linux #5382

Job	Run time
Prepare version string	6s
Build / Build macOS (Apple Silicon)	2m 32s
Build / Build Windows ARM64	4m 11s
Build / Build Linux (arm64)	3m 34s
Build / Build Windows x64	3m 35s
Build / Build macOS (Intel)	6m 53s
Build / Build Linux	3m 29s
Package / Package macOS (osx-arm64)	23s
Package / Package macOS (osx-x64)	16s
Package / Package Linux (linux-arm64)	53s
Package / Package Linux (linux-x64)	56s
Package / Package Windows (win-x64)	28s
Package / Package Windows (win-arm64)	23s
	27m 39s