Update README.md

Author: orkhanahmadov

README.md

@@ -15,8 +15,8 @@ Laravel middleware for automatically setting application locale based on [HTTP "
 
 ## Requirements
 
-- PHP **7.2** or higher.
-- Laravel **^6.0**, **^7.0**, **^8.0** or higher
+- PHP **8.0** or higher.
+- Laravel **^8.0**, **^9.0** or higher
 
 ## Installation