[dependabot]: Bump pulpcore-client from 3.85.4 to 3.85.7 in /automation

Bumps [pulpcore-client](https://github.com/GIT_USER_ID/GIT_REPO_ID) from 3.85.4 to 3.85.7.
- [Commits](https://github.com/GIT_USER_ID/GIT_REPO_ID/commits)

---
updated-dependencies:
- dependency-name: pulpcore-client
  dependency-version: 3.85.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

automation/requirements.txt

@@ -4,7 +4,7 @@ pulp-deb==3.7.0
 pulp-rpm==3.32.5
 pulp-ansible==0.28.1
 pulp-python==3.19.1
-pulpcore-client==3.85.4
+pulpcore-client==3.85.7
 pulp-rpm-client==3.32.5
 pulp-ostree==2.5.3
 pulp-glue==0.32.3