Bump j2html.version to v1.6.0

Author: renovate[bot]

pom.xml

@@ -46,7 +46,7 @@
     <module.name>${project.groupId}.plugin.util.api</module.name>
 
     <error-prone.version>2.36.0</error-prone.version>
-    <j2html.version>1.4.0</j2html.version>
+    <j2html.version>1.6.0</j2html.version>
     <streamex.version>0.8.4</streamex.version>
     <testcontainers.version>2.0.5</testcontainers.version>
     <codingstyle.library.version>6.12.0</codingstyle.library.version>