Bump KorAP-Tokenizer to v2.3.0 and our version to 2.6.2

Change-Id: I7345e72cd67326797ca574bbf5f63bc3fb34de44
diff --git a/script/tei2korapxml b/script/tei2korapxml
index 3e5b335..089b5da 100755
--- a/script/tei2korapxml
+++ b/script/tei2korapxml
@@ -25,7 +25,7 @@
 use KorAP::XML::TEI::Header;
 use KorAP::XML::TEI::Inline;
 
-our $VERSION = '2.6.1';
+our $VERSION = '2.6.2';
 
 our $VERSION_MSG = "\ntei2korapxml - v$VERSION\n";