regenerated schema (no functional changes)

Author: proycon

schemas/folia.rng

@@ -1,6 +1,6 @@
 <grammar xmlns="http://relaxng.org/ns/structure/1.0" xmlns:folia="http://ilk.uvt.nl/folia" xmlns:a="http://relaxng.org/ns/annotation/0.9" datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
 <!--
-RelaxNG schema for FoLiA XML v2.5.0
+RelaxNG schema for FoLiA XML v2.5.1
     by Maarten van Gompel
     Centre for Language and Speech Technology
     Radboud University Nijmegen
@@ -9,7 +9,7 @@ RelaxNG schema for FoLiA XML v2.5.0
     https://proycon.github.io/folia
     https://github.com/proycon/folia
 
-    Schema version 2.5.0
+    Schema version 2.5.5
       (auto-generated by foliapy)
 
     Validation examples: