chore: update cleanup interval for active peers (farcasterxyz#2123)

## Motivation

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## Change Summary

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---

## PR-Codex overview
This PR adjusts the cleanup interval for the Peer TTLMap in the sync
engine from 36 hours to 25 hours.

### Detailed summary
- Adjusted the cleanup interval for the Peer TTLMap from 36 hours to 25
hours

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

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apps/hubble/src/network/sync/syncEngine.ts

@@ -59,7 +59,7 @@ import { peerIdFromString } from "@libp2p/peer-id";
 // Time to live for peer contact info in the Peer TTLMap
 const PEER_TTL_MAP_EXPIRATION_TIME_MILLISECONDS = 1000 * 60 * 60 * 24; // 24 hours
 // Time interval to run cleanup on the Peer TTLMap
-const PEER_TTL_MAP_CLEANUP_INTERVAL_MILLISECONDS = 1000 * 60 * 60 * 36; // 36 hours
+const PEER_TTL_MAP_CLEANUP_INTERVAL_MILLISECONDS = 1000 * 60 * 60 * 25; // 25 hours
 
 // Number of seconds to wait for the network to "settle" before syncing. We will only
 // attempt to sync messages that are older than this time.