Build

Fix some issues with `virtual_specs` #1726

Job	Run time
ubuntu-latest, Python 3.8, conda-standalone	10m 44s
ubuntu-latest, Python 3.9, conda-standalone	11m 57s
ubuntu-latest, Python 3.10, conda-standalone-nightly	11m 22s
ubuntu-latest, Python 3.11, micromamba	9m 59s
ubuntu-latest, Python 3.12, conda-standalone	11m 1s
macos-13, Python 3.8, conda-standalone-nightly	39m 18s
macos-latest, Python 3.11, conda-standalone	22m 10s
macos-latest, Python 3.12, micromamba	16m 49s
windows-latest, Python 3.8, conda-standalone	26m 9s
windows-latest, Python 3.9, conda-standalone-nightly	25m 30s
windows-latest, Python 3.10, conda-standalone	26m 17s
windows-latest, Python 3.11, conda-standalone-nightly	26m 17s
windows-latest, Python 3.12, conda-standalone	27m 15s
Report failures	0s
Canary Build	0s
	4h 24m 48s

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