save_cache()

[juuf]

It seems the version 7.3 is not the default setting (7 is). Does it make sense to adapt ?

[Warning: Variable 'annomat' was not saved. For variables larger than 2GB use
MAT-file version 7.3 or later.]
[> In statgen.save_annotations_cache (line 36)
In statgen/AnnotationPanel/save_cache (line 235)
In run_align_annotations (line 135)
In run (line 112)]

https://github.com/precimed/statgen/blob/main/matlab/%2Bstatgen/save_annotations_cache.m#L11-L12