build(deps): bump net-ssh from 7.2.1 to 7.2.3 (cloudfoundry#3715)

Bumps [net-ssh](https://github.com/net-ssh/net-ssh) from 7.2.1 to 7.2.3.
- [Changelog](https://github.com/net-ssh/net-ssh/blob/master/CHANGES.txt)
- [Commits](net-ssh/net-ssh@v7.2.1...v7.2.3)

---
updated-dependencies:
- dependency-name: net-ssh
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -336,7 +336,7 @@ GEM
       ruby2_keywords (~> 0.0.1)
     mutex_m (0.2.0)
     mysql2 (0.5.6)
-    net-ssh (7.2.1)
+    net-ssh (7.2.3)
     netaddr (2.0.6)
     netrc (0.11.0)
     newrelic_rpm (9.8.0)