updated README

Author: aiantsen

README.md

@@ -27,7 +27,7 @@ Supported versions:
 
 Tested on:
 
-* Zabbix 4.0, 5.0, 6.0, 6.4 and 7.0
+* Zabbix 4.0, 5.0, 6.0, 6.4 and 7.0alpha7
 * Python 3.7, 3.8, 3.9, 3.10 and 3.11
 
 ## Documentation