[INFRA] Update PR template to add test and user change question (apache#5486)

* [INFRA] Update PR template to add test and user change question

* [INFRA] Update PR template to add test and user change question

* update

Author: Hisoka-X

.github/PULL_REQUEST_TEMPLATE.md

@@ -16,13 +16,32 @@ Feel free to ping committers for the review!
 
 -->
 
-## Purpose of this pull request
+### Purpose of this pull request
 
 <!-- Describe the purpose of this pull request. For example: This pull request adds checkstyle plugin.-->
 
-## Check list
 
-* [ ] Code changed are covered with tests, or it does not need tests for reason:
+### Does this PR introduce _any_ user-facing change?
+<!--
+Note that it means *any* user-facing change including all aspects such as the documentation fix.
+If yes, please clarify the previous behavior and the change this PR proposes - provide the console output, description and/or an example to show the behavior difference if possible.
+If possible, please also clarify if this is a user-facing change compared to the released SeaTunnel versions or within the unreleased branches such as dev.
+If no, write 'No'.
+If you are adding/modifying connector documents, please follow our new specifications: https://github.com/apache/seatunnel/issues/4544.
+-->
+
+
+### How was this patch tested?
+<!--
+If tests were added, say they were added here. Please make sure to add some test cases that check the changes thoroughly including negative and positive cases if possible.
+If it was tested in a way different from regular unit tests, please clarify how you tested step by step, ideally copy and paste-able, so that other reviewers can test and check, and descendants can verify in the future.
+If tests were not added, please describe why they were not added and/or why it was difficult to add.
+If you are adding E2E test cases, maybe refer to https://github.com/apache/seatunnel/blob/dev/seatunnel-e2e/seatunnel-connector-v2-e2e/connector-cdc-mysql-e2e/src/test/resources/mysqlcdc_to_mysql.conf, here is a good example.
+-->
+
+
+### Check list
+
 * [ ] If any new Jar binary package adding in your PR, please add License Notice according
   [New License Guide](https://github.com/apache/seatunnel/blob/dev/docs/en/contribution/new-license.md)
 * [ ] If necessary, please update the documentation to describe the new feature. https://github.com/apache/seatunnel/tree/dev/docs