update emc supported versions (#4898)

Author: TrentinTheKid

servers/enchantedmc/metadata.json

@@ -16,7 +16,8 @@
         "1.18.*",
         "1.19.*",
         "1.20.*",
-        "1.21.*"
+        "1.21.*",
+        "26.*"
     ],
     "primaryMinecraftVersion": "1.19.4",
     "crossplay": true,
@@ -33,4 +34,4 @@
         "twitter": "EnchantedHQ",
         "discord": "http://discord.gg/enchantedmc"
     }
-}
+}