Merge pull request #455 from buschlab/renovate/ch.qos.logback-logback-classic-1.x

Update dependency ch.qos.logback:logback-classic to v1.5.6

Author: nr23730

pom.xml

@@ -59,7 +59,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.5.3</version>
+            <version>1.5.6</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>