Merge branch '5.4' into 6.0

* 5.4:
  [Mailer] fix tests
  [HttpFoundation] Prevent PHP Warning: Session ID is too long or contains illegal characters
  [Messenger] fix test
  [Messenger] Ceil waiting time when multiplier is a float on retry
  Spaces in system temp folder path cause deprecation errors in php 8

Author: nicolas-grekas

Session/Storage/NativeSessionStorage.php

@@ -136,7 +136,7 @@ public function start(): bool
         }
 
         $sessionId = $_COOKIE[session_name()] ?? null;
-        if ($sessionId && $this->saveHandler instanceof AbstractProxy && 'files' === $this->saveHandler->getSaveHandlerName() && !preg_match('/^[a-zA-Z0-9,-]{22,}$/', $sessionId)) {
+        if ($sessionId && $this->saveHandler instanceof AbstractProxy && 'files' === $this->saveHandler->getSaveHandlerName() && !preg_match('/^[a-zA-Z0-9,-]{22,250}$/', $sessionId)) {
             // the session ID in the header is invalid, create a new one
             session_id(session_create_id());
         }

Tests/Session/Storage/NativeSessionStorageTest.php

@@ -292,7 +292,7 @@ public function testRegenerateInvalidSessionIdForNativeFileSessionHandler()
         $started = $storage->start();
 
         $this->assertTrue($started);
-        $this->assertMatchesRegularExpression('/^[a-zA-Z0-9,-]{22,}$/', session_id());
+        $this->assertMatchesRegularExpression('/^[a-zA-Z0-9,-]{22,250}$/', session_id());
         $storage->save();
 
         $_COOKIE[session_name()] = '&~[';
@@ -301,7 +301,7 @@ public function testRegenerateInvalidSessionIdForNativeFileSessionHandler()
         $started = $storage->start();
 
         $this->assertTrue($started);
-        $this->assertMatchesRegularExpression('/^[a-zA-Z0-9,-]{22,}$/', session_id());
+        $this->assertMatchesRegularExpression('/^[a-zA-Z0-9,-]{22,250}$/', session_id());
         $storage->save();
 
         $_COOKIE[session_name()] = '&~[';