Merge branch '4.4' into 5.2

* 4.4:
  fixed parser
  Fixed bugs found by psalm
  [FrameworkBundle] Dont store cache misses on warmup
  [Cache] skip storing failure-to-save as misses in ArrayAdapter
  [Validator] Delete obsolete statement in Regex::getHtmlPattern() phpDoc
  [FrameworkBundle] Remove author comments for configuration and extension
  [DependencyInjection] Fix "url" env var processor behavior when the url has no path
  Fixed support for nodes not extending BaseNode
  add missing queue_name to find(id) in doctrine messenger transport
  [Serializer] AbstractNormalizer force null for non-optional nullable constructor parameter denormalization when not present in input

Author: nicolas-grekas

Command/ServerDumpCommand.php

@@ -95,5 +95,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         $this->server->listen(function (Data $data, array $context, int $clientId) use ($descriptor, $io) {
             $descriptor->describe($io, $data, $context, $clientId);
         });
+
+        return 0;
     }
 }