set release date in changelog

Release v0.9.6 (#364)

Release v0.9.5 (#354)

fix workflow files to keep building abi3 wheels on linux

Release v0.9.3 (#335)

Release v0.9.2

Release v0.9.1 (#322)

Preparations for release v0.9.0 (#312)

fix release workflow

Change release workflow (#269)