Pulp: Add nginx pod monitoring relabeling (attempt 2)
What
(Second attempt from !9186 (merged))
Followup to gitlab-com/gl-infra/charts!801 (merged) to add in Pulp monitoring metrics relabeling.
Why
The previous MR only put the relabels on the pulp servicemonitor pulp-monitor), and we need the relabelings set directly on the ingress-nginx controller servicemonitor pulp-ingress-nginx-controller) as well.