Repository: robustmq/robustmq (language: rust)

Issue:
[Build] fix a template error in the placeholder of task list.
### Have you checked the documentation for submitting an Issue?

- [X] Yes.

### What type of enhancement is this?

Build

### What does the enhancement do?

The template named umbrella looks a little errors, we need fix it.
![image](https://github.com/user-attachments/assets/64550fff-6942-4572-8514-40f7c04c832d)


### Implementation challenges

_No response_

### Are you willing to submit PR?

- [X] Yes. I would be willing to submit a PR with guidance from the RobustMQ community to improve.
- [ ] No. I cannot submit a PR at this time.


Discussion / hints:

Fix patch:
diff --git a/.github/ISSUE_TEMPLATE/umbrella.yml b/.github/ISSUE_TEMPLATE/umbrella.yml
index ebd80c961..4a4824bd1 100644
--- a/.github/ISSUE_TEMPLATE/umbrella.yml
+++ b/.github/ISSUE_TEMPLATE/umbrella.yml
@@ -41,7 +41,7 @@ body:
       label: Task list
       description: >
         For more details, please refer to [github docs](https://docs.github.com/en/issues/tracking-your-work-with-issues/about-task-lists).
-        placeholder: >
+      placeholder: >
         Please create sub-tasks with the pre-create issues here and @ the assignees if you know any of them. A simple example is as follows:
           - [ ] #1
             - [ ] #11 @user1


Test patch: