virtualenv 21.5.0

on Python PyPI

What's Changed

• Set git identity in upgrade changelog rename step by @gaborbernat in #3169
• Upgrade embedded pip/setuptools/wheel by @github-actions[bot] in #3168
• ✨ feat: drop Python 3.8 support by @gaborbernat in #3170

Full Changelog: 21.4.3...21.5.0