docs: enhance the PR template

.github/PULL_REQUEST_TEMPLATE.md

@@ -12,7 +12,22 @@
 
 - Fixes #[Add issue number here.]
 
-## Describe Changes
-
+## Changes
 <!-- Describe your changes in detail, if applicable. -->
 _Describe what this Pull Request does_
+
+## Testing
+<!-- Describe how the changes can be tested -->
+_Describe the testing that has been done or needs to be done_
+
+## Screenshots
+<!-- If applicable, add screenshots to help explain your changes -->
+_Add any relevant screenshots_
+
+## Dependencies
+<!-- List any dependencies that are required for this change -->
+_List dependencies_
+
+## Breaking Changes
+<!-- Does this PR contain any breaking changes? -->
+_Describe any breaking changes_