Update metadata.json (#219)

### Description

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Summary of change.
Example: Add sepolia chain
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### Backward compatibility

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Are these changes backward compatible? Note that additions are backwards
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### Testing

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Have any new metadata configs and deployment addresses been used with
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deployments/warp_routes/USDC/metadata.json

@@ -2,6 +2,6 @@
   "name": "USD Coin",
   "symbol": "USDC",
   "description": "Warp Route USDC",
-  "image": "https://raw.githubusercontent.com/spothq/cryptocurrency-icons/1a63530be6e374711a8554f31b17e4cb92c25fa5/128/icon/usdc.png",
+  "image": "https://raw.githubusercontent.com/hyperlane-xyz/hyperlane-registry/refs/heads/main/deployments/warp_routes/USDC/logo.svg",
   "attributes": []
 }