Bump shank from 0.0.8 to 0.4.2

Bumps [shank](https://github.com/metaplex-foundation/shank) from 0.0.8 to 0.4.2.
- [Changelog](https://github.com/metaplex-foundation/shank/blob/master/release.toml)
- [Commits](https://github.com/metaplex-foundation/shank/compare/[email protected]@v0.4.2)

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

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