chore(deps-dev): bump viem from 2.21.25 to 2.21.26 in /contracts/core

Bumps [viem](https://github.com/wevm/viem) from 2.21.25 to 2.21.26.
- [Release notes](https://github.com/wevm/viem/releases)
- [Commits](https://github.com/wevm/viem/compare/viem@2.21.25...viem@2.21.26)

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

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

contracts/core/package.json

@@ -25,7 +25,7 @@
     "multiproof": "github:sigp/multiproof",
     "ts-node": "^10.9.2",
     "typescript": "^5.6.3",
-    "viem": "^2.21.25"
+    "viem": "^2.21.26"
   },
   "dependencies": {
     "@nomad-xyz/excessively-safe-call": "github:nomad-xyz/ExcessivelySafeCall",