Python-fastflow

use valid semver tag for release, because it is also used to generate tags for docker images, and it requires correct semver

**Full Changelog**: https://github.com/svinther/fastflow/compare/v0.2...v0.3

What's Changed
* Brushup 20241028 by svinther in https://github.com/svinther/fastflow/pull/1
* brushup 20241028 part2 by svinther in https://github.com/svinther/fastflow/pull/2

New Contributors
* svinther made their first contribution in https://github.com/svinther/fastflow/pull/1

**Full Changelog**: https://github.com/svinther/fastflow/compare/v0.1.1...v0.2