ci: Move version checklist to PR

Author: caffeine-addictt

.github/ISSUE_TEMPLATE/8-version-checklist.md

@@ -75,4 +75,6 @@ If you're unsure about any of these, don't hesitate to ask. We're here to help!
 -->
 - [ ] 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 updated the documentation accordingly.
+- [ ] I have incremented the version according to [semantic versioning](https://semver.org/).
+- [ ] I have updated the changelog accordingly.