Bump ch.qos.logback:logback-classic in /log4j-samples-graalvm

Bumps [ch.qos.logback:logback-classic](https://github.com/qos-ch/logback) from 1.5.8 to 1.5.9.
- [Commits](qos-ch/logback@v_1.5.8...v_1.5.9)

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

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

Author: dependabot[bot]

log4j-samples-graalvm/pom.xml

@@ -46,7 +46,7 @@
     <json-unit.version>3.4.1</json-unit.version>
     <junit.version>5.11.2</junit.version>
     <log4j.version>2.25.0-SNAPSHOT</log4j.version>
-    <logback.version>1.5.8</logback.version>
+    <logback.version>1.5.9</logback.version>
     <slf4j.version>2.0.16</slf4j.version>
 
     <!-- IT to run for each profile -->