wg-easy: update container registry & version (#2887)

* update container registry & version

As shown on the readme they moved to gitHub container registry

* update version in config.json

* update tipi_version

apps/wg-easy/config.json

@@ -10,8 +10,8 @@
     ]
   },
   "id": "wg-easy",
-  "tipi_version": 5,
-  "version": "7",
+  "tipi_version": 6,
+  "version": "12",
   "categories": [
     "network"
   ],

apps/wg-easy/docker-compose.yml

@@ -2,7 +2,7 @@ version: "3.7"
 services:
   wg-easy:
     container_name: wg-easy
-    image: weejewel/wg-easy:7
+    image: ghcr.io/wg-easy/wg-easy:12
     restart: unless-stopped
     volumes:
       - ${APP_DATA_DIR}/data:/etc/wireguard