python_qt_binding: 0.2.12-0 in 'hydro/release.yaml' [bloom]

Increasing version of package(s) in repository `python_qt_binding`:
- previous version: `0.2.11-0`
- new version: `0.2.12-0`
- distro file: `hydro/release.yaml`
- bloom version: `0.4.4`