Update tutorial-java-spring-cosmosdb.md

Update the version of the azure-webapp-maven-plugin

Author: Elvira-sxr

articles/app-service/containers/tutorial-java-spring-cosmosdb.md

@@ -249,7 +249,7 @@ bash-3.2$ mvn azure-webapp:deploy
 [INFO] Building spring-todo-app 2.0-SNAPSHOT
 [INFO] ------------------------------------------------------------------------
 [INFO] 
-[INFO] --- azure-webapp-maven-plugin:1.8.0:deploy (default-cli) @ spring-todo-app ---
+[INFO] --- azure-webapp-maven-plugin:1.9.0:deploy (default-cli) @ spring-todo-app ---
 [INFO] Target Web App doesn't exist. Creating a new one...
 [INFO] Creating App Service Plan 'ServicePlanb6ba8178-5bbb-49e7'...
 [INFO] Successfully created App Service Plan.