bump(deps): update dependency ethers to v6.7.1

Author: renovate[bot]

packages/sdk/package.json

@@ -30,7 +30,7 @@
     "bitcoinjs-lib": "6.1.3",
     "cross-fetch": "3.1.6",
     "ecpair": "2.1.0",
-    "ethers": "6.6.1",
+    "ethers": "6.7.1",
     "sats-connect": "0.2.0"
   },
   "devDependencies": {