observability-bundle release v0.3.0

Changed

• Add new app dependency mechanism (app-operator.giantswarm.io/depends-on) to the prometheus-operator-app and agent so they are not installed until the CRD app is deployed.
• prometheus-operator: drop apiserver_request_slo_duration_seconds_bucket metrics from apiserver
• upgrade prometheus-operator-app to 4.0.1 and prometheus-operator-crd to 4.0.0
• upgrade prometheus-agent to 0.3.0 to support chinese registry

Added

• Add promtail-app v1.0.1 disabled by default.