Fix concurrent writing and reading on workers boot (#1137)

Co-authored-by: Aleksei Gagarin <[email protected]>

src/Boot/src/Memory.php

@@ -35,7 +35,14 @@ public function loadData(string $section, string &$filename = null): mixed
         }
 
         try {
-            return include($filename);
+            $fp = \fopen($filename, 'r');
+            if (!\flock($fp, \LOCK_SH | \LOCK_NB)) {
+                return null;
+            }
+            $data = include($filename);
+            \flock($fp, \LOCK_UN);
+            \fclose($fp);
+            return $data;
         } catch (\Throwable) {
             return null;
         }