Bump org.wicketstuff:wicketstuff-select2 from 10.5.0 to 10.6.0

Bumps org.wicketstuff:wicketstuff-select2 from 10.5.0 to 10.6.0.

---
updated-dependencies:
- dependency-name: org.wicketstuff:wicketstuff-select2
  dependency-version: 10.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

bom/pom.xml

@@ -207,7 +207,7 @@ identified
         de.agilecoders.wicket.webjars:wicket-webjars -->
         <wicket-viewer-jquery.version>3.7.1</wicket-viewer-jquery.version> <!--
         as served by wicket via webjars -->
-        <wicketstuff.version>10.5.0</wicketstuff.version> <!--
+        <wicketstuff.version>10.6.0</wicketstuff.version> <!--
         org.wicketstuff:wicketstuff-select2 -->
 
         <!-- OTHER -->