[kube-prometheus-stack] relabel_configs do not work

[ariel-rivo]

Describe the bug a clear and concise description of what the bug is.

The drop operation does not work!

What's your helm version?

argoCD

What's your kubectl version?

1.33.1

Which chart?

kube-prometheus-stack

What's the chart version?

75.3.0

What happened?

It keeps exporting the __amazon_msk_canary entries

What you expected to happen?

to drop these entries

How to reproduce it?

No response

Enter the changed values of values.yaml?

additionalScrapeConfigs:
- job_name: 'msk'
  relabel_configs:
  - source_labels: ["topic"]
    regex: "__amazon_msk_canary"
    action: drop

Enter the command that you execute and failing/misfunctioning.

argocd app sync

Anything else we need to know?

it also does not work with quotes