Latest versions updated

Author: CubeEngine Sponge Updater

latest-versions.json

@@ -1,7 +1,7 @@
 {
   "10": "1.19.4-10.0.0-RC1588",
   "11": "1.20.6-11.0.1-RC1916",
-  "12": "1.21.1-12.0.3-RC2282",
+  "12": "1.21.1-12.0.3-RC2284",
   "8": "1.16.5-8.2.1-RC1737",
   "9": "1.18.2-9.0.0-RC1306"
 }