8.2
Add PR template and auto-close PR on subtree split repositories
Add gitignore file for Symfony 4.3
minor [Contracts] Fix branch name in README.md links
Merge branch '5.4' into 6.3
Mark callbacks with @param-immediately-invoked-callable where applicable
Add cache contracts template annotations
[Contracts] add return types and bump to v3
Update license years (last time)
[Cache] Enable namespace-based invalidation by prefixing keys with backend-native namespace separators
Fix typo
[HttpClient] Add support for the `max_connect_duration` option