update doc SchematronValidator to 2.6.1

Schematron-Validator/release-note.md

@@ -9,6 +9,16 @@ customer: IHE Europe
 reference: KER1-RNO-IHE-SCHEMATRON_VALIDATOR
 ---
 
+# 2.6.1
+
+_Release date: 2024-02-26
+
+__Bug__
+* \[[SCHVAL-196](https://gazelle.ihe.net/jira/browse/SCHVAL-196)\] Cannot use DnonProxyHosts option
+
+__Task__
+* \[[SCHVAL-194](https://gazelle.ihe.net/jira/browse/SCHVAL-194)\] Oudated file iso_svrl_for_xslt2.xsl used for schematron compilation, now use 2010-04-14
+
 # 2.6.0
 
 _Release date: 2024-02-06