Fixing pagination on v3._ListSecurityGroupsRequest (#1277)

- Use the correct PaginatedRequest version for v3._ListSecurityGroupsRequest
- Add an integration test to exercise pagination on `/v3/security_groups`

Closes gh-1242

Author: SaifuddinMerchant

cloudfoundry-client/src/main/java/org/cloudfoundry/client/v3/securitygroups/_ListSecurityGroupsRequest.java

@@ -14,7 +14,7 @@
 
 package org.cloudfoundry.client.v3.securitygroups;
 
-import org.cloudfoundry.client.v2.PaginatedRequest;
+import org.cloudfoundry.client.v3.PaginatedRequest;
 import org.immutables.value.Value;
 import org.cloudfoundry.client.v3.FilterParameter;
 import org.cloudfoundry.Nullable;

integration-test/src/test/java/org/cloudfoundry/client/v3/SecurityGroupsTest.java

@@ -18,6 +18,7 @@
 
 import java.time.Duration;
 import java.util.Arrays;
+import java.util.Collections;
 import org.cloudfoundry.AbstractIntegrationTest;
 import org.cloudfoundry.client.CloudFoundryClient;
 import org.cloudfoundry.client.v3.securitygroups.BindRunningSecurityGroupRequest;
@@ -34,6 +35,7 @@
 import org.cloudfoundry.client.v3.securitygroups.UnbindRunningSecurityGroupRequest;
 import org.cloudfoundry.client.v3.securitygroups.UnbindStagingSecurityGroupRequest;
 import org.cloudfoundry.client.v3.securitygroups.UpdateSecurityGroupRequest;
+import org.cloudfoundry.util.PaginationUtils;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -196,6 +198,32 @@ public void listStaging() {
                 .verify(Duration.ofMinutes(5));
     }
 
+    @Test
+    public void listWithPagination() {
+        this.securityGroup
+                .flux()
+                .flatMap(
+                        securityGroup ->
+                                PaginationUtils.requestClientV3Resources(
+                                        page ->
+                                                cloudFoundryClient
+                                                        .securityGroupsV3()
+                                                        .list(
+                                                                ListSecurityGroupsRequest.builder()
+                                                                        .page(page)
+                                                                        .perPage(1)
+                                                                        .names(
+                                                                                Collections
+                                                                                        .singletonList(
+                                                                                                securityGroup
+                                                                                                        .getName()))
+                                                                        .build())))
+                .as(StepVerifier::create)
+                .expectNextCount(1)
+                .expectComplete()
+                .verify(Duration.ofMinutes(5));
+    }
+
     @Test
     public void bindStagingSecurityGroup() {
         Mono.zip(this.securityGroup, this.spaceId)