Build

Enhance pyenv shims directory detection and add unit tests (#304) #168

Job	Run time
Build (windows-latest, aarch64-pc-windows-msvc)	4m 4s
Build (macos-latest, x86_64-apple-darwin)	2m 20s
Build (macos-14, aarch64-apple-darwin)	1m 43s
Build (windows-latest, x86_64-pc-windows-msvc)	3m 34s
Build (ubuntu-latest, x86_64-unknown-linux-musl)	1m 38s
	13m 19s

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