Bump snarkvm from 0.12.5 to 0.12.6 (#2431)

Bumps [snarkvm](https://github.com/AleoHQ/snarkVM) from 0.12.5 to 0.12.6.
- [Commits](ProvableHQ/snarkVM@v0.12.5...v0.12.6)

---
updated-dependencies:
- dependency-name: snarkvm
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>