chore: update mainnet3 key funder deployment (#4461)

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### Drive-by changes

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### Related issues

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- Fixes #[issue number here]
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### Backward compatibility

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typescript/infra/config/environments/mainnet3/funding.ts

@@ -10,7 +10,7 @@ export const keyFunderConfig: KeyFunderConfig<
 > = {
   docker: {
     repo: 'gcr.io/abacus-labs-dev/hyperlane-monorepo',
-    tag: '72d498f-20240828-092240',
+    tag: '74a592e-20240906-191211',
   },
   // We're currently using the same deployer/key funder key as mainnet2.
   // To minimize nonce clobbering we offset the key funder cron