Merge pull request #66 from hellboxpy/dependabot/uv/virtualenv-21.2.4

Bump virtualenv from 1.11.6 to 21.2.4

Author: jackjennings

example/requirements.txt

@@ -1,3 +1,3 @@
 glob2==0.4.1
 hellbox==0.0.2
-virtualenv==1.11.6
+virtualenv==21.2.4