chore(deps-dev): bump viem from 2.31.7 to 2.37.12 in /blockchain

Bumps [viem](https://github.com/wevm/viem) from 2.31.7 to 2.37.12.
- [Release notes](https://github.com/wevm/viem/releases)
- [Commits](https://github.com/wevm/viem/compare/[email protected]@2.37.12)

---
updated-dependencies:
- dependency-name: viem
  dependency-version: 2.37.12
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]