build(deps): bump viem from 2.37.4 to 2.43.3

Bumps [viem](https://github.com/wevm/viem) from 2.37.4 to 2.43.3.
- [Release notes](https://github.com/wevm/viem/releases)
- [Commits](https://github.com/wevm/viem/compare/viem@2.37.4...viem@2.43.3)

---
updated-dependencies:
- dependency-name: viem
  dependency-version: 2.43.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -45,7 +45,7 @@
   "dependencies": {
     "dotenv": "^16.4.7",
     "inquirer": "^12.4.3",
-    "viem": "^2.23.6"
+    "viem": "^2.43.3"
   },
   "devDependencies": {
     "@neynar/nodejs-sdk": "^2.19.0",