chore(deps): bump org.apache.sshd:sshd-core from 2.15.0 to 2.16.0

Bumps [org.apache.sshd:sshd-core](https://github.com/apache/mina-sshd) from 2.15.0 to 2.16.0.
- [Release notes](https://github.com/apache/mina-sshd/releases)
- [Changelog](https://github.com/apache/mina-sshd/blob/master/CHANGES.md)
- [Commits](https://github.com/apache/mina-sshd/compare/sshd-2.15.0...sshd-2.16.0)

---
updated-dependencies:
- dependency-name: org.apache.sshd:sshd-core
  dependency-version: 2.16.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

gradle/libs.versions.toml

@@ -26,7 +26,7 @@ hutool = "5.8.39"
 jsch = "2.27.3"
 okhttp = "5.1.0"
 sshj = "0.39.0"
-sshd-core = "2.15.0"
+sshd-core = "2.16.0"
 jgit = "7.2.0.202503040940-r"
 commonmark = "0.25.1"
 jnafilechooser = "1.1.2"