Update PR template (#187)

Author: Alexsandruss

.github/pull_request_template.md

@@ -1,31 +1,37 @@
 ## Description
 
-_Add a comprehensive description of proposed changes_
+<!--
+Add a comprehensive description of proposed changes
 
-_List associated issue number(s) if exist(s): #6 (for example)_
+List associated issue number(s) if exist(s)
 
-_Documentation PR (if needed): #1340 (for example)_
+List associated documentation PR(s) if needed
+-->
 
 ---
 
-PR should start as a draft, then move to ready for review state after CI is passed and all applicable checkboxes are closed.
+<!--
+PR should start as a draft, then move to ready for review state
+after CI is passed and all applicable checkboxes are closed.
 This approach ensures that reviewers don't spend extra time asking for regular requirements.
 
 You can remove a checkbox as not applicable only if it doesn't relate to this PR in any way.
+-->
 
-Checklist to comply with **before moving PR from draft**:
+<details>
+<summary>Checklist:</summary>
 
-**PR completeness and readability**
+**Completeness and readability**
 
-- [ ] I have reviewed my changes thoroughly before submitting this pull request.
 - [ ] I have commented my code, particularly in hard-to-understand areas.
-- [ ] I have updated the documentation to reflect the changes or created a separate PR with update and provided its number in the description, if necessary.
-- [ ] Git commit message contains an appropriate signed-off-by string _(see [CONTRIBUTING.md](https://github.com/intel/scikit-learn-intelex/blob/main/CONTRIBUTING.md#pull-requests) for details)_.
-- [ ] I have added a respective label(s) to PR if I have a permission for that.
+- [ ] I have updated the documentation to reflect the changes or created a separate PR with updates and provided its number in the description, if necessary.
+- [ ] Git commit message contains an appropriate signed-off-by string _(see [CONTRIBUTING.md](https://github.com/uxlfoundation/scikit-learn-intelex/blob/main/CONTRIBUTING.md#pull-requests) for details)_.
 - [ ] I have resolved any merge conflicts that might occur with the base branch.
 
 **Testing**
 
 - [ ] I have run it locally and tested the changes extensively.
 - [ ] All CI jobs are green or I have provided justification why they aren't.
 - [ ] I have extended testing suite if new functionality was introduced in this PR.
+
+</details>