chore: upgrade shuttle dependency for example app (#2653)

## Why is this change needed?

The example app was fixed at an old version of shuttle that was missing
more recent updates including storage lending.

## Merge Checklist

_Choose all relevant options below by adding an `x` now or at any time
before submitting for review_

- [x] PR title adheres to the [conventional
commits](https://www.conventionalcommits.org/en/v1.0.0/) standard
- [x] PR has a
[changeset](https://github.com/farcasterxyz/hub-monorepo/blob/main/CONTRIBUTING.md#35-adding-changesets)
- [x] PR has been tagged with a change label(s) (i.e. documentation,
feature, bugfix, or chore)
- [ ] PR includes
[documentation](https://github.com/farcasterxyz/hub-monorepo/blob/main/CONTRIBUTING.md#32-writing-docs)
if necessary.


<!-- start pr-codex -->

---

## PR-Codex overview
This PR focuses on upgrading the `@farcaster/shuttle` dependency in the
example app and making related adjustments in the codebase, including
changes to request handling and variable names.

### Detailed summary
- Updated `@farcaster/shuttle` dependency from `^0.5.0` to `^0.9.3`.
- Replaced `HubInfoRequest` with `GetInfoRequest` in the `App` class.
- Changed handling of `undefined` instead of `null` for the
`hubSubscriber` initialization.
- Modified the retrieval of `maxFid` to use `numFidRegistrations`
instead of `numFidEvents`.

> ✨ Ask PR-Codex anything about this PR by commenting with `/codex {your
question}`

<!-- end pr-codex -->

Author: aditiharini

.changeset/short-berries-look.md

@@ -0,0 +1,5 @@
+---
+"@farcaster/shuttle": patch
+---
+
+chore: upgrade the example app's shuttle dependency

packages/shuttle/src/example-app/app.ts

@@ -19,7 +19,7 @@ import {
   getStorageUnitExpiry,
   getStorageUnitType,
   HubEvent,
-  HubInfoRequest,
+  GetInfoRequest,
   isCastAddMessage,
   isCastRemoveMessage,
   isIdRegisterOnChainEvent,
@@ -95,13 +95,12 @@ export class App implements MessageHandler {
     const hubSubscriber = new EventStreamHubSubscriber(
       hubId,
       hub,
+      shardIndex,
       eventStreamForWrite,
       redis,
       shardKey,
       log,
-      null,
-      totalShards,
-      shardIndex,
+      undefined,
       SUBSCRIBE_RPC_TIMEOUT,
     );
     const streamConsumer = new HubEventStreamConsumer(hub, eventStreamForRead, shardKey);
@@ -223,7 +222,6 @@ export class App implements MessageHandler {
       this.db,
       log,
       undefined,
-      USE_STREAMING_RPCS_FOR_BACKFILL,
     );
     for (const fid of fids) {
       await reconciler.reconcileMessagesForFid(
@@ -250,12 +248,12 @@ export class App implements MessageHandler {
     if (fids.length === 0) {
       let maxFid = MAX_FID ? parseInt(MAX_FID) : undefined;
       if (!maxFid) {
-        const getInfoResult = await this.hubSubscriber.hubClient?.getInfo(HubInfoRequest.create({}));
+        const getInfoResult = await this.hubSubscriber.hubClient?.getInfo(GetInfoRequest.create({}));
         if (getInfoResult?.isErr()) {
           log.error("Failed to get max fid", getInfoResult.error);
           throw getInfoResult.error;
         } else {
-          maxFid = getInfoResult?._unsafeUnwrap()?.dbStats?.numFidEvents;
+          maxFid = getInfoResult?._unsafeUnwrap()?.dbStats?.numFidRegistrations;
           if (!maxFid) {
             log.error("Failed to get max fid");
             throw new Error("Failed to get max fid");

packages/shuttle/src/example-app/package.json

@@ -4,7 +4,7 @@
   "main": "./app.ts",
   "license": "MIT",
   "dependencies": {
-    "@farcaster/shuttle": "^0.5.0",
+    "@farcaster/shuttle": "^0.9.3",
     "@figma/hot-shots": "^9.0.0-figma.1",
     "commander": "^11.0.0",
     "ioredis": "^5.3.2",