v13.21.0
[13.x] Enforce stricter assertions (#59749)
[13.x] testsuite (#59702)
Flip misordered assertions arguments (#59691)
Remove empty constructor braces. (#36661)
Apply rector PHPUnit assertion cleanups (#60807)
Improve RouteParameter attribute, use property name as route key (#60465)
Prevent contextual bindings from following stale aliases (#56495)
[11.x] Skip object construction if no rebound callbacks are set (#53502)
[7.x] Use proper assertions (#32230)