docs: update environment file reference from .env.local to .env

Author: yaroslav8765

adminforth/documentation/docs/tutorial/07-Plugins/17-bulk-ai-flow.md

@@ -55,7 +55,7 @@ npm run makemigration -- --name add-apartment-image-url ; npm run migrate:local
 We will also attach [upload plugin](/docs/tutorial/Plugins/upload/) to this field.
 
 
-Add credentials in your `.env.local` file:
+Add credentials in your `.env` file:
 ```ts title=".env"
 ...