Update pull_request_template.md

Author: ocheresh

.github/workflows/pull_request_template.md

@@ -1,10 +1,9 @@
-Describe your changes
+## Describe your changes
 
-Issue ticket number and link
+## Issue ticket number and link
 
-Checklist before requesting a review
-
- I have performed a self-review of my code
- If it is a core feature, I have added thorough tests
- Do we need to implement analytics?
- Will this be part of a product update? If yes, please write one phrase about this update
+## Checklist before requesting a review
+- [ ] I have performed a self-review of my code
+- [ ] If it is a core feature, I have added thorough tests
+- [ ] Do we need to implement analytics?
+- [ ] Will this be part of a product update? If yes, please write one phrase about this update