Bump ch.qos.logback:logback-classic from 1.5.5 to 1.5.6

Bumps [ch.qos.logback:logback-classic](https://github.com/qos-ch/logback) from 1.5.5 to 1.5.6.
- [Commits](qos-ch/logback@v_1.5.5...v_1.5.6)

---
updated-dependencies:
- dependency-name: ch.qos.logback:logback-classic
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

parent/pom.xml

@@ -174,7 +174,7 @@
         <cxf.kerby.version>2.0.3</cxf.kerby.version>
         <cxf.ldapsdk.version>7.0.0</cxf.ldapsdk.version>
         <cxf.littleproxy.version>1.1.2</cxf.littleproxy.version>
-        <cxf.logback.classic.version>1.5.5</cxf.logback.classic.version>
+        <cxf.logback.classic.version>1.5.6</cxf.logback.classic.version>
         <cxf.lucene.version>9.10.0</cxf.lucene.version>
         <cxf.maven.core.version>3.9.6</cxf.maven.core.version>
         <cxf.micrometer.version>1.12.5</cxf.micrometer.version>