fix latest pip egg deprecation #221

Job	Run time
Build source distribution	34s
Build wheels for win_amd64 on windows-latest	8m 48s
Build ubuntu-22.04 (x86_64) wheels	5m 33s
Build ubuntu-22.04 (aarch64) wheels	1h 9m 49s
Build macos-14 (arm64) wheels	6m 33s
Build macos-12 (x86_64) wheels	1s
Show artifacts	0s
Publish to PyPI	0s
	1h 31m 18s

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