Update README.md

Author: faytekin

README.md

@@ -1,6 +1,6 @@
 # Ileti Merkezi SMS Notifications Channel for Laravel
 
-This package makes it easy to send sms notifications using [Ileti Merkezi](https://www.iletimerkezi.com/) with Laravel 7.0+ and 8.0+
+This package makes it easy to send sms notifications using [Ileti Merkezi](https://www.iletimerkezi.com/) with Laravel 7.0+, 8.0+ and 9.0+
 
 ## Contents