Bump ssh2 from 1.3.0 to 1.5.0

Bumps [ssh2](https://github.com/mscdex/ssh2) from 1.3.0 to 1.5.0.
- [Release notes](https://github.com/mscdex/ssh2/releases)
- [Commits](mscdex/ssh2@v1.3.0...v1.5.0)

---
updated-dependencies:
- dependency-name: ssh2
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>