Update ch.qos.logback:logback-classic to version 1.5.9 (#197)

Author: asf-rm

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 -->