chore(deps): bump rustyline from 15.0.0 to 18.0.0

Bumps [rustyline](https://github.com/kkawakam/rustyline) from 15.0.0 to 18.0.0.
- [Release notes](https://github.com/kkawakam/rustyline/releases)
- [Changelog](https://github.com/kkawakam/rustyline/blob/master/History.md)
- [Commits](kkawakam/rustyline@v15.0.0...v18.0.0)

---
updated-dependencies:
- dependency-name: rustyline
  dependency-version: 18.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

Cargo.lock

@@ -54,7 +54,7 @@ actix = "0.13"
 nom = "7"
 
 # REPL
-rustyline = "15"
+rustyline = "18"
 
 # Hashing (BLAKE3 for speed, SHAKE3-512 via tiny-keccak for provenance)
 blake3 = "1"