feat: add cbBTC between Ethereum and Flow (#380)

### Description

- Adds cbBTC between Ethereum and Flow

### Backward compatibility

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Are these changes backward compatible? Note that additions are backwards
compatible.

Yes/No
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### Testing

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Have any new metadata configs and deployment addresses been used with
any Hyperlane tooling, such as the CLI?
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.changeset/seven-experts-trade.md

@@ -0,0 +1,5 @@
+---
+'@hyperlane-xyz/registry': minor
+---
+
+Added cbBTC between Ethereum and Flowmainnet

deployments/warp_routes/CBBTC/ethereum-flowmainnet-addresses.yaml

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+ethereum:
+  collateral: "0xfF5C22ea202258143557f6cc3bDe174dde6E8fE1"
+flowmainnet:
+  synthetic: "0xA0197b2044D28b08Be34d98b23c9312158Ea9A18"

deployments/warp_routes/CBBTC/ethereum-flowmainnet-config.yaml

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+# yaml-language-server: $schema=../schema.json
+tokens:
+  - addressOrDenom: "0xfF5C22ea202258143557f6cc3bDe174dde6E8fE1"
+    chainName: ethereum
+    collateralAddressOrDenom: "0xcbb7c0000ab88b473b1f5afd9ef808440eed33bf"
+    connections:
+      - token: ethereum|flowmainnet|0xA0197b2044D28b08Be34d98b23c9312158Ea9A18
+    decimals: 8
+    logoURI: /deployments/warp_routes/CBBTC/logo.svg
+    name: Coinbase Wrapped BTC
+    standard: EvmHypCollateral
+    symbol: cbBTC
+  - addressOrDenom: "0xA0197b2044D28b08Be34d98b23c9312158Ea9A18"
+    chainName: flowmainnet
+    connections:
+      - token: ethereum|ethereum|0xfF5C22ea202258143557f6cc3bDe174dde6E8fE1
+    decimals: 8
+    logoURI: /deployments/warp_routes/CBBTC/logo.svg
+    name: Coinbase Wrapped BTC
+    standard: EvmHypSynthetic
+    symbol: cbBTC