Merge pull request #590 from eXist-db/dependabot/maven/com.helger.maven-ph-schematron-maven-plugin-6.1.0

chore(deps): bump ph-schematron-maven-plugin from 5.6.5 to 6.1.0

Author: joewiz

pom.xml

@@ -216,7 +216,7 @@
       <plugin>
         <groupId>com.helger.maven</groupId>
         <artifactId>ph-schematron-maven-plugin</artifactId>
-        <version>5.6.5</version>
+        <version>6.1.0</version>
         <executions>
           <execution>
             <goals>