- enable bmff format
- disable docs for now:
- graphviz was failing for a long time when trying to render the
pngs as graphviz-gd was missing
- even after adding this it still fails with missing fonts

- Update to 0.27.4:
- Support for bmff files (HEIC, HEIF, AVIF, CR3, JXL/bmff)
- Bash test scripts rewritten in python
- DNG 1.6 and Exif 2.32 support
- Bug and Security fixes
- Updated build and test environments
- Localisation support on Crowdin
- Revised documentation
- Other improvements
- drop 1271.patch:
included in update