8.2
[DependencyInjection] Allow adding resource tags using any config formats
CS fix
Merge branch '7.4' into 8.0
make newly added constructor argument optional
[Scheduler] Add MessageHandler result to the `PostRunEvent`
[Scheduler] Rework the component
Merge branch '6.4' into 7.4
[Scheduler] Document and test the `debug:scheduler --sort` option
Merge branch '8.0' into 8.1
Merge branch '5.4' into 6.4
Add the Scheduler component
Add call to backers in README files
[Scheduler] fix documentation link
CS fixes
[Scheduler] Mark component as non experimental
Update XSD references in phpunit.xml.dist files