Update to Minecraft 1.21.3

By: md_5 <git@md-5.net>

paper-server/src/main/java/org/bukkit/craftbukkit/util/ApiVersion.java

@@ -16,7 +16,7 @@ public final class ApiVersion implements Comparable<ApiVersion>, Serializable {
 
     static {
         versions = new HashMap<>();
-        CURRENT = getOrCreateVersion("1.21.2");
+        CURRENT = getOrCreateVersion("1.21.3");
         FLATTENING = getOrCreateVersion("1.13");
         FIELD_NAME_PARITY = getOrCreateVersion("1.20.5");
         NONE = getOrCreateVersion("none");

paper-server/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java

@@ -232,7 +232,7 @@ public final class CraftMagicNumbers implements UnsafeValues {
      * @return string
      */
     public String getMappingsVersion() {
-        return "ec8b033a89c54252f1dfcb809eab710a";
+        return "61a218cda78417b6039da56e08194083";
     }
 
     @Override