chore: updated PR template as per latest release process. (#27)

.github/pull_request_template.md

@@ -12,9 +12,6 @@
 - [ ] This PR has **no** breaking changes.
 - [ ] This PR contains only one commit.
 - [ ] I have updated or added new tests to cover the changes in this PR.
-- [ ] I have updated the version in `Cargo.toml` to follow the [Semantic Versioning](https://semver.org/) guidelines.
 - [ ] All tests are passing.
-- [ ] I have added my changes to the [CHANGELOG](https://github.com/source-cooperative/data.source.coop/blob/dev/CHANGELOG.rst)
-      **or** a CHANGELOG entry is not required.
 - [ ] This PR affects the [Source Cooperative Frontend & API](https://github.com/source-cooperative/source.coop),
       and I have opened issue/PR #XXX to track the change.