update patch engine version

update patch engine version

Author: mimi-tam

showcases/pom.xml

@@ -16,7 +16,7 @@
         <maven.compiler.target>1.8</maven.compiler.target>
         <maven.surefire.thread.count>3</maven.surefire.thread.count>
         <showcase.projects.location>data</showcase.projects.location>
-        <legend.engine.version>4.97.1</legend.engine.version>
+        <legend.engine.version>4.97.2</legend.engine.version>
 
     </properties>