Merge pull request #703 from eXist-db/dependabot/maven/com.helger.maven-ph-schematron-maven-plugin-6.2.4

chore(deps): bump ph-schematron-maven-plugin from 6.2.3 to 6.2.4

Author: duncdrum

pom.xml

@@ -246,7 +246,7 @@
       <plugin>
         <groupId>com.helger.maven</groupId>
         <artifactId>ph-schematron-maven-plugin</artifactId>
-        <version>6.2.3</version>
+        <version>6.2.4</version>
         <executions>
           <execution>
             <goals>