Merge pull request prometheus-operator#2621 from metalmatze/release-0.30

Publish patch release 0.30.1

Merge pull request prometheus-operator#2597 from metalmatze/bundle-ex…

…clude-service-monitor

Ignore ServiceMonitor in bundle.yaml

Merge pull request prometheus-operator#2338 from metalmatze/cut-0.28.0

*: cut v0.28.0