Build

test: add unit tests for pet-pyenv crate (Fixes #389) (#441) #259

Job	Run time
Build (macos-14, aarch64-apple-darwin)	2m 41s
Build (windows-latest, x86_64-pc-windows-msvc)	4m 20s
Build (macos-latest, x86_64-apple-darwin)	2m 46s
Build (ubuntu-latest, x86_64-unknown-linux-musl)	2m 3s
Build (windows-latest, aarch64-pc-windows-msvc)	5m 8s
	16m 58s

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