build(deps): bump lib/kakarot from 25b83d9 to 7f8d856 (#563)

Bumps [lib/kakarot](https://github.com/kkrt-labs/kakarot) from `25b83d9` to `7f8d856`.
- [Release notes](https://github.com/kkrt-labs/kakarot/releases)
- [Commits](kkrt-labs/kakarot@25b83d9...7f8d856)

---
updated-dependencies:
- dependency-name: lib/kakarot
  dependency-type: direct:production
...

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