graphics/vigra: update to 1.12.1
ChangeLog: https://github.com/ukoethe/vigra/releases/tag/Version-1-12-1
Accumulated changes:
- Address implementation incompatibility of ptp in vigranumpy with numpy 2
- Improve compatibility with compilers in 2024.
- Update testing infrastructure to use modern packages from conda-forge.
Reported by: portscout