Bump version to 8.1.0

Merge pull request #740 from pytest-dev/version-8

Bump version to v8.0.0

Merge pull request #718 from pytest-dev/ab/bump-version

Bump version 8.0.0b2

Bump version to 8.0.0b1

Add CI action for publishing artifacts to PyPI

Bump version 7.3.0

Bump version 7.2.0, add changelog entry

Bump version 7.1.2

Bump version to 7.1.1

Bump version 7.0.1