Merge pull request #474 from javaee-samples/dependabot/maven/websocket/atmosphere-chat/ch.qos.logback-logback-core-1.2.0

Bump logback-core from 1.0.13 to 1.2.0 in /websocket/atmosphere-chat

Author: arjantijms

Diff for: websocket/atmosphere-chat/pom.xml

@@ -30,7 +30,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
-            <version>1.0.13</version>
+            <version>1.2.0</version>
         </dependency>
         <dependency>
             <groupId>org.atmosphere</groupId>