Update dependency org.webjars:fullcalendar to v6

Author: renovate-bot

macro-fullcalendar-webjar/pom.xml

@@ -33,7 +33,7 @@
   <description>Client side resources required by the fullcalendar.io integration in XWiki.</description>
   <properties>
     <momentjs.version>2.18.1</momentjs.version>
-    <fullcalendar.version>3.10.2</fullcalendar.version>
+    <fullcalendar.version>6.1.10</fullcalendar.version>
     <jqueryui.version>1.11.4</jqueryui.version>
     <webjar.contentDirectory>${project.build.outputDirectory}/META-INF/resources/webjars/${project.artifactId}/${project.version}</webjar.contentDirectory>
   </properties>