chore(deps): bump prettydiff from 0.7.0 to 0.8.0 (#1142)

Bumps [prettydiff](https://github.com/romankoblov/prettydiff) from 0.7.0 to 0.8.0.
- [Changelog](https://github.com/oli-obk/prettydiff/blob/main/CHANGELOG.md)
- [Commits](https://github.com/romankoblov/prettydiff/commits)

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

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

Cargo.toml

@@ -160,7 +160,7 @@ pest = { version = "2", default-features = false, optional = true, features = ["
 pest_derive = { version = "2", default-features = false, optional = true, features = ["std"] }
 proptest = { version = "1", optional = true }
 proptest-derive = { version = "0.5", optional = true }
-prettydiff = { version = "0.7", default-features = false, optional = true }
+prettydiff = { version = "0.8", default-features = false, optional = true }
 prettytable-rs = { version = "0.10", default-features = false, optional = true }
 quickcheck = { version = "1", optional = true }
 quoted_printable = { version = "0.5", optional = true }