chore(deps): bump viem from 1.16.6 to 1.19.1

Bumps [viem](https://github.com/wagmi-dev/viem) from 1.16.6 to 1.19.1.
- [Release notes](https://github.com/wagmi-dev/viem/releases)
- [Commits](https://github.com/wagmi-dev/viem/compare/viem@1.16.6...viem@1.19.1)

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

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

apps/balancer-tools/package.json

@@ -66,7 +66,7 @@
     "tailwind-merge": "^1.14.0",
     "tailwindcss-animate": "^1.0.7",
     "tiny-invariant": "^1.3.1",
-    "viem": "^1.16.6",
+    "viem": "^1.19.1",
     "wagmi": "^1.4.4",
     "zod": "^3.22.4"
   },

apps/cow-tools/package.json

@@ -69,7 +69,7 @@
     "tailwind-merge": "^1.14.0",
     "tailwindcss-animate": "^1.0.7",
     "tiny-invariant": "^1.3.1",
-    "viem": "^1.16.6",
+    "viem": "^1.19.1",
     "wagmi": "^1.4.4",
     "zod": "^3.22.4"
   },