security updatesn, phpdotenv update, profile update

load.environment.php

@@ -1,20 +1,20 @@
 <?php
-
+ 
 /**
  * This file is included very early. See autoload.files in composer.json and
  * https://getcomposer.org/doc/04-schema.md#files
  */
-
+ 
 use Dotenv\Dotenv;
 use Dotenv\Exception\InvalidPathException;
-
+ 
 /**
  * Load any .env file. See /.env.example.
  */
-$dotenv = new Dotenv(__DIR__);
+$dotenv = Dotenv::createImmutable(__DIR__);
 try {
   $dotenv->load();
 }
 catch (InvalidPathException $e) {
   // Do nothing. Production environments rarely use .env files.
-}
+}