Add debug log for CI

Author: DanielBadura

src/Store/DoctrineDbalStore.php

@@ -513,6 +513,16 @@ private function lock(): void
             }
 
             if ($result !== 1) {
+                $foo = sprintf(
+                    'LOCK DEBUG: platform=%s lockTimeout=%s result=%s(%s)',
+                    $platform::class,
+                    var_export($lockTimeout, true),
+                    get_debug_type($result),
+                    var_export($result, true),
+                );
+                error_log($foo);
+                var_dump($foo);
+
                 throw LockCouldNotBeAcquired::byError($this->config['lock_id']);
             }