fix(deps): update dependency ch.qos.logback:logback-classic to v1.5.6 (#104)

Author: hartmut-co-uk

gradle/libs.versions.toml

@@ -12,7 +12,7 @@ assertj = "3.25.3"
 testcontainers = "1.19.7"
 guava = "33.2.0-jre"
 
-logback = "1.5.3"
+logback = "1.5.6"
 slf4j = "2.0.12"
 
 jetty = "11.0.20"