Bump ch.qos.logback:logback-classic from 1.5.13 to 1.5.15 (#524)

Author: dependabot[bot]

build.gradle

@@ -71,7 +71,7 @@ dependencies {
 
   // logging
   implementation "com.typesafe.scala-logging:scala-logging_${scalaVersion}:3.9.5"
-  implementation 'ch.qos.logback:logback-classic:1.5.13'
+  implementation 'ch.qos.logback:logback-classic:1.5.15'
 
   // config
   implementation 'com.typesafe:config:1.4.3'