chore: update PR template

Author: cjumel

.github/pull_request_template.md

@@ -1,12 +1,12 @@
 ## Description
 
-<!-- Describe the changes you made in this PR. -->
+<!-- Describe the changes you made in this Pull Request. -->
 
 ## Checklist
 
-<!-- Make sure all items below are checked before submitting the PR. -->
+<!-- Make sure all items below are checked before submitting the Pull Request. -->
 
-- [ ] I have run the tests locally with `make install-dev` and `make test`
+- [ ] I have installed pre-commit on this project (for instance with the `make install-dev` command)
+  **before** creating any commit, or I have run successfully the `make lint` command on my changes
+- [ ] I have run successfully the `make test` command on my changes
 - [ ] I have updated the `README.md` if my changes affected it
-- [ ] I have updated the package version in `linkup/_version.py` and `pyproject.toml` if I plan on
-  creating a new release