Development shell improvements #864

Job	Run time
Build (ubuntu-latest)	56s
Build (macos-latest)	55s
linux (x86_64)	1m 17s
Build (windows-latest)	2m 33s
linux (x86)	1m 31s
linux (aarch64)	1m 32s
macos (x86_64)	1m 7s
linux (armv7)	1m 49s
Test python stubs	36s
macos (aarch64)	54s
linux (s390x)	1m 37s
linux (ppc64le)	1m 33s
sdist	19s
Ensure Python API crate version is in sync	4s
windows (x64)	2m 16s
windows (x86)	1m 40s
Release	0s
	20m 39s

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