⬆️ Bump virtualenv from 20.26.4 to 20.26.6 in the pip group #4129

Job	Run time
Get tags and version numbers	33s
Package build via CI buildwheel (macos-13, x86_64, 11.0)	3m 47s
Package build via CI buildwheel (macos-13, x86_64, 12.0)	3m 10s
Package build via CI buildwheel (macos-13, x86_64, 13.0)	4m 27s
Package build via CI buildwheel (macos-13, x86_64, 14.0)	3m 34s
Package build via CI buildwheel (macos-latest, universal2, 11.0)	1m 57s
Package build via CI buildwheel (macos-latest, universal2, 12.0)	2m 23s
Package build via CI buildwheel (macos-latest, universal2, 13.0)	2m 30s
Package build via CI buildwheel (macos-latest, universal2, 14.0)	2m 3s
Package build via CI buildwheel (macos-latest, arm64, 11.0)	2m 8s
Package build via CI buildwheel (macos-latest, arm64, 12.0)	2m 3s
Package build via CI buildwheel (macos-latest, arm64, 13.0)	2m 5s
Package build via CI buildwheel (macos-latest, arm64, 14.0)	2m 7s
Package build via CI buildwheel (ubuntu-latest, aarch64, cp3{10,11,12,13}-*)	9m 51s
Package build via CI buildwheel (ubuntu-latest, aarch64, cp3{9,11,12,13}-*)	10m 23s
Package build via CI buildwheel (ubuntu-latest, aarch64, cp3{9,10,12,13}-*)	8m 59s
Package build via CI buildwheel (ubuntu-latest, aarch64, cp3{9,10,11,13}-*)	8m 52s
Package build via CI buildwheel (ubuntu-latest, aarch64, cp3{9,10,11,12}-*)	8m 52s
Package build via CI buildwheel (ubuntu-latest, auto64)	5m 10s
Package build via CI buildwheel (windows-2019, auto64)	11m 13s
PyPI/TestPyPI package upload	17s
Verify package install as user	0s
Publish release notes	0s
	1h 36m 24s

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