Update prog-trans-ts-sdk.md (MystenLabs#9974)

## Description 

Rename Programmable Transaction to include blocks

## Test Plan 

How did you test the new or updated feature?

---
If your changes are not user-facing and not a breaking change, you can
skip the following section. Otherwise, please indicate what changed, and
then add to the Release Notes section as highlighted during the release
process.

### Type of Change (Check all that apply)

- [ ] user-visible impact
- [ ] breaking change for a client SDKs
- [ ] breaking change for FNs (FN binary must upgrade)
- [ ] breaking change for validators or node operators (must upgrade
binaries)
- [ ] breaking change for on-chain data layout
- [ ] necessitate either a data wipe or data migration

### Release notes

---------

Co-authored-by: Jordan Gensler <[email protected]>

dapps/sponsored-transactions/src/App.tsx

@@ -4,14 +4,14 @@
 import {
   SignedTransaction,
   SuiTransactionBlockResponse,
-  Transaction,
+  TransactionBlock,
 } from "@mysten/sui.js";
 import { ConnectButton, useWalletKit } from "@mysten/wallet-kit";
 import { ComponentProps, ReactNode, useState } from "react";
 import { provider } from "./utils/rpc";
 import { sponsorTransaction } from "./utils/sponsorTransaction";
 
-const tx = new Transaction();
+const tx = new TransactionBlock();
 tx.moveCall({
   target: "0x2::devnet_nft::mint",
   arguments: [tx.pure("foo"), tx.pure("bar"), tx.pure("baz")],