Use V3 for RMCP v1.1

Author: PhoenixVX

src/main/java/org/mcphackers/mcp/tools/versions/VersionParser.java

@@ -19,7 +19,7 @@
 
 public class VersionParser {
 
-	public static String mappingsJson = "https://mcphackers.github.io/versionsV2/versions.json";
+	public static String mappingsJson = "https://mcphackers.org/versionsV3/versions.json";
 	private static VersionParser INSTANCE;
 
 	private final List<VersionData> versions = new ArrayList<>();