8.2
Merge branch '7.4' into 8.1
CS fixes
Merge branch '6.4' into 7.4
Add PR template and auto-close PR on subtree split repositories
Added missing files .gitignore
[DependencyInjection][Config] Remove support for the fluent PHP config format
Merge branch '6.4' into 7.2
Mark callbacks with @param-immediately-invoked-callable where applicable
Merge branch '6.4' into 7.0
Update license years (last time)
Add call to backers in README files
[Components] Convert to native return types
Bump to php >= 8.4.1
Update XSD references in phpunit.xml.dist files