[feat] Support set execute type to pydolphinscheduler (#12871)

Up to now, we can only submit workflow with parallel mode. this patch give users ability specific execute type to workflow

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/python/PythonGateway.java

@@ -245,12 +245,13 @@ public class PythonGateway {
                                                 String taskRelationJson,
                                                 String taskDefinitionJson,
                                                 String otherParamsJson,
-                                                ProcessExecutionTypeEnum executionType) {
+                                                String executionType) {
         User user = usersService.queryUser(userName);
         Project project = projectMapper.queryByName(projectName);
         long projectCode = project.getCode();
 
         ProcessDefinition processDefinition = getProcessDefinition(user, projectCode, name);
+        ProcessExecutionTypeEnum executionTypeEnum = ProcessExecutionTypeEnum.valueOf(executionType);
         long processDefinitionCode;
         // create or update process definition
         if (processDefinition != null) {
@@ -258,13 +259,15 @@ public class PythonGateway {
             // make sure process definition offline which could edit
             processDefinitionService.releaseProcessDefinition(user, projectCode, processDefinitionCode,
                     ReleaseState.OFFLINE);
-            Map<String, Object> result = processDefinitionService.updateProcessDefinition(user, projectCode, name,
+            processDefinitionService.updateProcessDefinition(user, projectCode, name,
                     processDefinitionCode, description, globalParams,
-                    null, timeout, tenantCode, taskRelationJson, taskDefinitionJson, otherParamsJson, executionType);
+                    null, timeout, tenantCode, taskRelationJson, taskDefinitionJson, otherParamsJson,
+                    executionTypeEnum);
         } else {
             Map<String, Object> result = processDefinitionService.createProcessDefinition(user, projectCode, name,
                     description, globalParams,
-                    null, timeout, tenantCode, taskRelationJson, taskDefinitionJson, otherParamsJson, executionType);
+                    null, timeout, tenantCode, taskRelationJson, taskDefinitionJson, otherParamsJson,
+                    executionTypeEnum);
             processDefinition = (ProcessDefinition) result.get(Constants.DATA_LIST);
             processDefinitionCode = processDefinition.getCode();
         }