Bump ansible-pylibssh from 1.1.0 to 1.2.0.post4 in /_build

Bumps [ansible-pylibssh](https://github.com/ansible/pylibssh) from 1.1.0 to 1.2.0.post4.
- [Release notes](https://github.com/ansible/pylibssh/releases)
- [Changelog](https://github.com/ansible/pylibssh/blob/devel/CHANGELOG.rst)
- [Commits](ansible/pylibssh@v1.1.0...v1.2.0.post4)

---
updated-dependencies:
- dependency-name: ansible-pylibssh
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

_build/requirements.txt

@@ -3,7 +3,7 @@
 cython>=3.0.5; python_version >= "3.12"
 # ordered:
 ansible-dev-tools==24.4.2
-ansible-pylibssh==1.1.0
+ansible-pylibssh==1.2.0.post4
 ansible-runner==2.3.6
 molecule-plugins[podman]==23.5.3
 paramiko==3.4.0  # https://github.com/ansible/creator-ee/issues/140