Bump diff from 0.1.12 to 0.1.13

Bumps [diff](https://github.com/utkarshkukreti/diff.rs) from 0.1.12 to 0.1.13.
- [Release notes](https://github.com/utkarshkukreti/diff.rs/releases)
- [Commits](utkarshkukreti/diff.rs@0.1.12...0.1.13)

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

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

Author: dependabot[bot]