Build

Fix some issues with `virtual_specs` #1724

Job	Run time
ubuntu-latest, Python 3.8, conda-standalone	2m 45s
ubuntu-latest, Python 3.9, conda-standalone	2m 47s
ubuntu-latest, Python 3.10, conda-standalone-nightly	2m 45s
ubuntu-latest, Python 3.11, micromamba	2m 45s
ubuntu-latest, Python 3.12, conda-standalone	2m 46s
macos-13, Python 3.8, conda-standalone-nightly	2m 46s
macos-latest, Python 3.11, conda-standalone	1s
macos-latest, Python 3.12, micromamba	2m 49s
windows-latest, Python 3.8, conda-standalone	2m 38s
windows-latest, Python 3.9, conda-standalone-nightly	2m 40s
windows-latest, Python 3.10, conda-standalone	2m 30s
windows-latest, Python 3.11, conda-standalone-nightly	2m 31s
windows-latest, Python 3.12, conda-standalone	2m 38s
Report failures	1s
Canary Build	1s
	32m 23s

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