Fixed UMI uploader

ts/cluster1/nft_metadata.ts

@@ -1,15 +1,15 @@
 import wallet from "../wba-wallet.json"
 import { createUmi } from "@metaplex-foundation/umi-bundle-defaults"
 import { createGenericFile, createSignerFromKeypair, signerIdentity } from "@metaplex-foundation/umi"
-import { createBundlrUploader } from "@metaplex-foundation/umi-uploader-bundlr"
+import { irysUploader } from "@metaplex-foundation/umi-uploader-irys"
 
 // Create a devnet connection
 const umi = createUmi('https://api.devnet.solana.com');
-const bundlrUploader = createBundlrUploader(umi);
 
 let keypair = umi.eddsa.createKeypairFromSecretKey(new Uint8Array(wallet));
 const signer = createSignerFromKeypair(umi, keypair);
 
+umi.use(irysUploader());
 umi.use(signerIdentity(signer));
 
 (async () => {
@@ -42,4 +42,4 @@ umi.use(signerIdentity(signer));
     catch(error) {
         console.log("Oops.. Something went wrong", error);
     }
-})();
+})();