fix: update pull request template to match new requirements (#1547)

Co-authored-by: Artur Fracala <[email protected]>

Author: arturfracala

.github/pull_request_template.md

@@ -10,6 +10,10 @@ Link your Jira ticket.
 
 # Description
 
+## Versioning
+
+Pull request titles should comply with the [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/) specification. This is required to update the project's version.
+
 # Review and release
 
 Apply changes and resolve conflicts. Once the described functionality lands on prod, let us know on #platform-docs-releases that your PR is ready for release. We will **merge** and **publish** the changes.