Merge branch '6.4' into 7.0

* 6.4:
  Fix CI
  Bump ext-redis in CI on PHP >= 8.4
  Adjust pretty name of closures on PHP 8.4
  implement NodeVisitorInterface instead of extending AbstractNodeVisitor
  sync .github/expected-missing-return-types.diff
  skip test assertions that are no longer valid with PHP >= 8.2.18/8.3.5

Author: nicolas-grekas

Debug/WrappedListener.php

@@ -48,7 +48,7 @@ public function __construct(callable|array $listener, ?string $name, Stopwatch $
             $this->callableRef .= '::'.$listener[1];
         } elseif ($listener instanceof \Closure) {
             $r = new \ReflectionFunction($listener);
-            if (str_contains($r->name, '{closure}')) {
+            if (str_contains($r->name, '{closure')) {
                 $this->pretty = $this->name = 'closure';
             } elseif ($class = $r->getClosureCalledClass()) {
                 $this->name = $class->name;