[dependabot]: Bump pulp-ostree from 2.4.3 to 2.4.4 in /automation

Bumps [pulp-ostree](https://github.com/pulp/pulp_ostree) from 2.4.3 to 2.4.4.
- [Release notes](https://github.com/pulp/pulp_ostree/releases)
- [Changelog](https://github.com/pulp/pulp_ostree/blob/2.4.4/CHANGES.md)
- [Commits](pulp/pulp_ostree@2.4.3...2.4.4)

---
updated-dependencies:
- dependency-name: pulp-ostree
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

automation/requirements.txt

@@ -6,7 +6,7 @@ pulp-ansible==0.22.2
 pulp-python==3.12.5
 pulpcore-client==3.63.0
 pulp-rpm-client==3.27.2
-pulp-ostree==2.4.3
+pulp-ostree==2.4.4
 pulp-glue==0.29.2
 pulp-cli==0.29.2
 pulp-cli-deb==0.3.0