chore: list cbBTC on eth and base (#10675)

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---

## PR-Codex overview
This PR adds a new ERC20 token `cbBTC` with ChainId.BASE in `base.ts`
and ChainId.ETHEREUM in `eth.ts`.

### Detailed summary
- Added `cbBTC` ERC20 token with ChainId.BASE in `base.ts`
- Added `cbBTC` ERC20 token with ChainId.ETHEREUM in `eth.ts`

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

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packages/tokens/src/constants/base.ts

@@ -174,4 +174,12 @@ export const baseTokens = {
     'eUSD',
     'https://reserve.org',
   ),
+  cbBTC: new ERC20Token(
+    ChainId.BASE,
+    '0xcbB7C0000aB88B473b1f5aFd9ef808440eed33Bf',
+    8,
+    'Coinbase Wrapped BTC',
+    'cbBTC',
+    'https://www.coinbase.com/',
+  ),
 }

packages/tokens/src/constants/eth.ts

@@ -561,4 +561,12 @@ export const ethereumTokens = {
     'Orderly Network',
     'https://orderly.network/',
   ),
+  cbBTC: new ERC20Token(
+    ChainId.ETHEREUM,
+    '0xcbB7C0000aB88B473b1f5aFd9ef808440eed33Bf',
+    8,
+    'cbBTC',
+    'Coinbase Wrapped BTC',
+    'https://www.coinbase.com/',
+  ),
 }