Release v0.6.4

What's Changed

• BREAKING CHANGE: drop python 2 support by @sanjayankur31 in #66
• Run on windows too by @pgleeson in #67
• Add badge by @pgleeson in #70
• ci(py311): add py311 to matrix and setup.py by @sanjayankur31 in #72
• feat: migrate away from deprecated setup.py by @sanjayankur31 in #73

Full Changelog: v0.5.9...v0.6.4