build(deps-dev): bump viem in the dependencies group

Bumps the dependencies group with 1 update: [viem](https://github.com/wevm/viem).


Updates `viem` from 2.21.48 to 2.21.50
- [Release notes](https://github.com/wevm/viem/releases)
- [Commits](https://github.com/wevm/viem/compare/viem@2.21.48...viem@2.21.50)

---
updated-dependencies:
- dependency-name: viem
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dependencies
...

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

package.json

@@ -37,7 +37,7 @@
     "lefthook": "^1.8.2",
     "tsup": "^8.3.5",
     "typescript": "^5.6.3",
-    "viem": "^2.21.48",
+    "viem": "^2.21.50",
     "vitest": "^2.1.4"
   },
   "tsup": {