chore(deps): bump com.google.code.gson:gson from 2.8.6 to 2.8.9 in /javav2/usecases/workflow_multiple_channels (#7859)

Author: dependabot[bot]

javav2/usecases/workflow_multiple_channels/pom.xml

@@ -70,7 +70,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.6</version>
+            <version>2.8.9</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>