Bump rustyline from 5.0.1 to 6.1.0

Bumps [rustyline](https://github.com/kkawakam/rustyline) from 5.0.1 to 6.1.0.
- [Release notes](https://github.com/kkawakam/rustyline/releases)
- [Commits](kkawakam/rustyline@v5.0.1...v6.1.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

Cargo.lock

@@ -14,7 +14,7 @@ categories = ["command-line-utilities", "hardware-support", "science"]
 
 [dependencies]
 clap = "2.33.1"
-rustyline = "5.0.1"
+rustyline = "6.0.0"
 directories = "2.0.2"
 log = "0.4.8"
 env_logger = "0.6.2"