Merge pull request #310 from dschadow/dependabot/maven/ch.qos.logback-logback-classic-1.5.20

Author: dschadow

pom.xml

@@ -116,7 +116,7 @@
             <dependency>
                 <groupId>ch.qos.logback</groupId>
                 <artifactId>logback-classic</artifactId>
-                <version>1.5.19</version>
+                <version>1.5.20</version>
             </dependency>
             <dependency>
                 <groupId>org.apache.commons</groupId>