Fix #936 AdminAppsRequestsListRequest class missing enterpriseId field (#938)

Author: seratch

slack-api-client/src/main/java/com/slack/api/methods/RequestFormBuilder.java

@@ -245,6 +245,7 @@ public static FormBody.Builder toForm(AdminAppsRequestsListRequest req) {
         FormBody.Builder form = new FormBody.Builder();
         setIfNotNull("cursor", req.getCursor(), form);
         setIfNotNull("limit", req.getLimit(), form);
+        setIfNotNull("enterprise_id", req.getEnterpriseId(), form);
         setIfNotNull("team_id", req.getTeamId(), form);
         return form;
     }

slack-api-client/src/main/java/com/slack/api/methods/request/admin/apps/AdminAppsRequestsListRequest.java

@@ -26,6 +26,11 @@ public class AdminAppsRequestsListRequest implements SlackApiRequest {
      */
     private Integer limit;
 
+    /**
+     * Enterprise Grid Organization Id.
+     */
+    private String enterpriseId;
+
     /**
      * Workspace Id.
      */