Add Minecraft 26.x support and version Java artifacts

shared/protocol.ts

@@ -41,7 +41,12 @@ export function panoramaPath(
 export const datasetSchema = z
   .object({
     format: z.literal("minegeo-dataset/v1"),
-    minecraftVersion: z.literal("1.21.11"),
+    minecraftVersion: z
+      .string()
+      .regex(
+        /^(?:1\.21\.11|26\.[12](?:\.\d+)*)$/,
+        "Unsupported Minecraft version",
+      ),
     dimension: z.literal("minecraft:overworld"),
     source: z.enum(["plugin", "fabric"]),
     name: z.string().min(3).max(80),