doc: updating pr template

.github/pull_request_template.md

@@ -14,6 +14,7 @@ Fixes # (issue)
 - [ ] New feature (non-breaking change which adds functionality)
 - [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
 - [ ] This change requires a documentation update
+- [ ] Documentation update
 
 # How Has This Been Tested?
 
@@ -28,21 +29,22 @@ Fixes # (issue)
 - [ ] New user flow tests
 - [ ] No new tests are required
 - [ ] Manual tests (description below)
+- [ ] Updated existing tests
 
 
 ## Checklist
 
 <!-- Go over all the following points, and put an `x` in all the boxes that apply. -->
 <!-- If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
 
-- [ ] I have read the [CONTRIBUTING](CONTRIBUTING.md) doc
-- [ ] I have performed a self-review of my own code
-- [ ] I have commented my code, particularly in hard-to-understand areas
-- [ ] I have made corresponding changes to the documentation
-- [ ] My changes generate no new warnings
-- [ ] I have added tests that prove my fix is effective or that my feature works
-- [ ] New and existing unit tests pass locally with my changes
-- [ ] Any dependent changes have already been accepted and merged
+- [x] I have read the [CONTRIBUTING](CONTRIBUTING.md) doc
+- [x] I have performed a self-review of my own code
+- [x] I have commented my code, particularly in hard-to-understand areas
+- [x] I have made corresponding changes to the documentation
+- [x] My changes generate no new warnings
+- [x] I have added tests that prove my fix is effective or that my feature works
+- [x] New and existing unit tests pass locally with my changes
+- [x] Any dependent changes have already been accepted and merged
 
 
 ## Further comments