add lombok to pom.xml

Author: wing328

modules/openapi-generator/pom.xml

@@ -436,6 +436,12 @@
             <version>3.23.1</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>${lombok.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
     <repositories>
         <repository>