fix(propose-safe-multisig-tx): update deps to fix vulnerabilities in transient deps undici and ws (#149)

* fix: update undici

* fix: update viem

Author: PierreJeanjacquot

propose-safe-multisig-tx/package-lock.json

@@ -13,7 +13,7 @@
     "@safe-global/protocol-kit": "^8.0.1",
     "@safe-global/types-kit": "^4.0.1",
     "dotenv": "^17.4.2",
-    "viem": "^2.21.0",
+    "viem": "^2.56.8",
     "zod": "^4.4.3"
   },
   "devDependencies": {