Update rustyline requirement from 12 to 13 (#352)

Updates the requirements on [rustyline](https://github.com/kkawakam/rustyline) to permit the latest version.
- [Release notes](https://github.com/kkawakam/rustyline/releases)
- [Changelog](https://github.com/kkawakam/rustyline/blob/master/History.md)
- [Commits](kkawakam/rustyline@v12.0.0...v13.0.0)

---
updated-dependencies:
- dependency-name: rustyline
  dependency-type: direct:production
...

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

Cargo.toml

@@ -69,7 +69,7 @@ proptest = "1"
 rand = "0.8"
 regex = "1"
 # MSRV
-rustyline = "12"
+rustyline = "13"
 scrypt = "0.11"
 serde_json = "1"