8.2
[Security\Csrf] Split CsrfTokenGenerator into CsrfTokenManager and TokenGenerator
[Security] Serve the CSRF token id of a firewall through the manager it configures
use constructor property promotion
CS fixes
Add PR template and auto-close PR on subtree split repositories
[Security] Added CSRF sub-component
CS fixes - native_function_invocation & static_lambda
[Security] add return types
Update license years (last time)
Add call to backers in README files
[Security] Various fixes and hardenings
Update XSD references in phpunit.xml.dist files