Refine pull request checklist for clarity

Removed redundant checklist items and clarified documentation update requirements.

Author: lizliz

.github/pull_request_template.md

@@ -21,9 +21,8 @@
 ## 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 incremented the version number in the `pyproject.toml` file if a new version needs to be pushed to pypi (note that not incrementing the number won't push to pypi and throw an error, but it will update the documentation).
 - [ ] My code follows the code style of this project.
 - [ ] My change requires a change to the documentation.
-- [ ] I have updated the documentation accordingly.
-- [ ] I have incremented the version number in the `pyproject.toml` file.
-- [ ] I have added tests to cover my changes.
-- [ ] All new and existing tests passed.
+- [ ] I have updated the documentation as necessary and compiled locally to ensure it is clean.
+- [ ] I have added tests to cover my changes, and all new and existing tests passed.