Merge branch 'matio' into 'master'

[libmatio] bump build number to get a new release with a new hdf5

See merge request bob/bob.conda!399

conda/libmatio/meta.yaml

@@ -9,7 +9,7 @@ source:
   md5: a79cf9d1200f37e0466062c3ce396d6b
 
 build:
-  number: 0
+  number: 1
   skip: true     # [win]
   run_exports:
     - {{ pin_subpackage('libmatio', max_pin='x.x.x') }}