Update DetectsLostConnections.php (#35744)

AWS Aurora serverless DB sometimes aborts queries while performing scaling. The error returned is: "SQLSTATE[HY000]: General error: 1105 The last transaction was aborted due to Seamless Scaling. Please retry."

Author: sfilzek

src/Illuminate/Database/DetectsLostConnections.php

@@ -47,6 +47,7 @@ protected function causedByLostConnection(Throwable $e)
  'SQLSTATE[HY000]: General error: 7 SSL SYSCALL error: EOF detected',
  'SQLSTATE[HY000] [2002] Connection timed out',
  'SSL: Connection timed out',
+ 'SQLSTATE[HY000]: General error: 1105 The last transaction was aborted due to Seamless Scaling. Please retry.',
  ]);
  }
 }