chore: update tETH image in metadata.json (#222)

### Description

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### Backward compatibility

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### Testing

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deployments/warp_routes/tETH/metadata.json

@@ -2,6 +2,6 @@
   "name": "Turbo ETH",
   "symbol": "tETH",
   "description": "Warp Route tETH",
-  "image": "",
+  "image": "https://raw.githubusercontent.com/hyperlane-xyz/hyperlane-registry/06833c4417faafd198ef8cf904612c721e5d96db/deployments/warp_routes/tETH/logo.svg",
   "attributes": []
 }