build(deps): update syncable-cli requirement

Updates the requirements on [syncable-cli](https://github.com/syncable-dev/syncable-cli) to permit the latest version.
- [Release notes](https://github.com/syncable-dev/syncable-cli/releases)
- [Changelog](https://github.com/syncable-dev/syncable-cli/blob/main/CHANGELOG.md)
- [Commits](syncable-dev/syncable-cli@v0.12.0...v0.13.0)

---
updated-dependencies:
- dependency-name: syncable-cli
  dependency-version: 0.13.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

rust-mcp-server-syncable-cli/Cargo.toml

@@ -34,7 +34,7 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 tokio = { version = "1", features = ["full"] }
 env_logger = "0.11"
-syncable-cli = "0.12.0"
+syncable-cli = "0.13.0"
 axum = { version = "0.8.4", features = ["json"] }
 futures = "0.3.31"
 bytes = "1.10.1"