Update dependency io.wcm.maven:io.wcm.maven.parent to v2.2.6 (#7)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pom.xml

@@ -25,7 +25,7 @@
   <parent>
     <groupId>io.wcm.maven</groupId>
     <artifactId>io.wcm.maven.parent</artifactId>
-    <version>2.2.4</version>
+    <version>2.2.6</version>
     <relativePath />
   </parent>