Update manifest.json

manifest.json

@@ -6,7 +6,7 @@
         "en": "A monitoring tool for diverse IT components, including networks, servers, VMs and cloud services.",
         "fr": "Un outil pour monitorer des réseaux, des serveurs, des VMs et autres services en ligne"
     },
-    "version": "2.0",
+    "version": "3.0",
     "url": "https://www.zabbix.com",
     "license": "free",
     "maintainer": {