Update dependency ch.qos.logback:logback-classic to v1.4.4

Author: renovate[bot]

core/pom.xml

@@ -237,7 +237,7 @@
       <dependency>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-classic</artifactId>
-        <version>1.4.3</version>
+        <version>1.4.4</version>
         <scope>test</scope>
       </dependency>
       <dependency>