chore(playground-server): migrate from tomcat7 to jetty plugin

Author: lzwjava

playground-server/pom.xml

@@ -190,12 +190,16 @@
                 </executions>
             </plugin>
             <plugin>
-                <groupId>org.apache.tomcat.maven</groupId>
-                <artifactId>tomcat7-maven-plugin</artifactId>
-                <version>2.2</version>
+                <groupId>org.eclipse.jetty</groupId>
+                <artifactId>jetty-maven-plugin</artifactId>
+                <version>9.4.54.v20240208</version>
                 <configuration>
-                    <port>8080</port>
-                    <path>/</path>
+                    <httpConnector>
+                        <port>8080</port>
+                    </httpConnector>
+                    <webApp>
+                        <contextPath>/</contextPath>
+                    </webApp>
                 </configuration>
             </plugin>
         </plugins>