[csw-maintainers] new versions in testing

[Roger Håkansson]

exiftool:
- Update to 7.69
Built with gar

libexif:
- Built with gar

libiptcdata:
- Built with gar

librsvg:
- Update to 2.22.3 (same as old testing-package, but without static 
libraries and with old .so-file for compatibility)
- Built with gar

ilmbase:
- New package which openexr needs (upstream split into two packages

openexr:
- Update to 1.6.1
- Built with gar