chore(deps): bump prettydiff from 0.6.2 to 0.6.4 (vectordotdev#17315)

Bumps [prettydiff](https://github.com/romankoblov/prettydiff) from 0.6.2 to 0.6.4.
- [Commits](https://github.com/romankoblov/prettydiff/commits)

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

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