Bump ansible in /pages/cloud/private-cloud/openshift_mono_server/scripts

Bumps [ansible](https://github.com/ansible/ansible) from 2.6.4 to 2.6.18.
- [Release notes](https://github.com/ansible/ansible/releases)
- [Commits](ansible/ansible@v2.6.4...v2.6.18)

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

Author: dependabot[bot]

pages/cloud/private-cloud/openshift_mono_server/scripts/requirements.txt

@@ -1,3 +1,3 @@
-ansible==2.6.4
+ansible==2.6.18
 pyvmomi==6.7.0.2018.9
 requests==2.20.0