Merge pull request #528 from jenkinsci/renovate/codingstyle.library.version

Bump dependency edu.hm.hafner:codingstyle to v6.9.0

Author: uhafner

pom.xml

@@ -49,7 +49,7 @@
     <j2html.version>1.6.0</j2html.version>
     <streamex.version>0.8.4</streamex.version>
     <testcontainers.version>2.0.4</testcontainers.version>
-    <codingstyle.library.version>6.6.0</codingstyle.library.version>
+    <codingstyle.library.version>6.9.0</codingstyle.library.version>
   </properties>
 
   <dependencies>