Update openssh-sftp-client requirement from 0.13.1 to 0.14.0 (#134)

Updates the requirements on [openssh-sftp-client](https://github.com/openssh-rust/openssh-sftp-client) to permit the latest version.
- [Release notes](https://github.com/openssh-rust/openssh-sftp-client/releases)
- [Commits](openssh-rust/openssh-sftp-client@0.13.1...0.14.0)

---
updated-dependencies:
- dependency-name: openssh-sftp-client
  dependency-type: direct:production
...

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

Cargo.toml

@@ -54,7 +54,7 @@ libc = "0.2.137"
 [dev-dependencies]
 regex = "1"
 tokio = { version = "1", features = [ "full" ] }
-openssh-sftp-client = "0.13.1"
+openssh-sftp-client = "0.14.0"
 
 [[example]]
 name = "native-mux_tsp"