Update dependency viem to ^2.48.1

Author: renovate[bot]

package.json

@@ -107,7 +107,7 @@
   },
   "dependencies": {
     "ethers": "^6.16.0",
-    "viem": "^2.47.6",
+    "viem": "^2.48.1",
     "yargs": "^17.7.2",
     "zod": "^4.3.6"
   },