ceph_orch_spec: Add ceph orch apply spec feature (backport #7552)

[mergify]

fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2262133

---

This is an automatic backport of pull request #7552 done by Mergify.

[mergify]

Cherry-pick of f6fd034 has failed:

On branch mergify/bp/stable-7.0/pr-7552
Your branch is up to date with 'origin/stable-7.0'.

You are currently cherry-picking commit f6fd034e7.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	new file:   library/ceph_orch_apply.py
	modified:   module_utils/ca_common.py
	modified:   tests/requirements.txt

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   infrastructure-playbooks/cephadm-adopt.yml

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

[asm0deuz]

LGTM