fix(deps): update dependency virtualenv to v21

Author: renovate[bot]

pixi.toml

@@ -44,7 +44,7 @@ tomli = "<3.0.0,>=2.0.1"
 tomlkit = "<1.0.0,>=0.11.4"
 trove-classifiers = ">=2022.5.19"
 typing_extensions = ">=4.6.1"
-virtualenv = "<21.0.0,>=20.26.6"
+virtualenv = "<21.7.0,>=21.6.0"
 zstandard = ">=0.15"
 
 [pypi-dependencies]

pyproject.toml

@@ -87,7 +87,7 @@ dependencies = [
     "requests-toolbelt >=1.0.0,<2.0.0",
     "shellingham >=1.5,<2.0",
     "trove-classifiers >= 2022.5.19",
-    "virtualenv >=20.26.6,<21.0.0",
+    "virtualenv >=21.6.1,<21.7.0",
     'xattr >=1.0.0,<2.0.0 ; sys_platform == "darwin"',
 ]