release 6.0.0

candidate release 6.0.0-rc2

candidate release 6.0.0-rc.1

Bump version to 7.0.0-dev

ci: MSYS2 updated Python 3.13 to 3.14, which breaks artifact uploads …

…again.

gha: adjust relase branch

Start of version 6.0.0-dev

Bump version to 5.0.1

Bump version to 5.0.0

Bump version to 5.0.0-rc6