Merge branch '5.2' into 5.3

* 5.2:
  Leverage str_contains/str_starts_with
  Leverage str_ends_with

Author: nicolas-grekas

Tests/Transport/AmqpExtIntegrationTest.php

@@ -246,7 +246,7 @@ private function waitForOutput(Process $process, string $output, $timeoutInSecon
         $timedOutTime = time() + $timeoutInSeconds;
 
         while (time() < $timedOutTime) {
-            if (0 === strpos($process->getOutput(), $output)) {
+            if (str_starts_with($process->getOutput(), $output)) {
                 return;
             }