Remove prometheus_enable_ingress setting

See merge request openappstack/openappstack!410

Prometheus ingress is enabled by default now

Resolve "Add proper labels to eventrouter logs"

Closes #709

See merge request openappstack/openappstack!408

Closes: #709

Resolve "Increase grafana retention time"

Closes #792

See merge request openappstack/openappstack!409

Closes: #792

Resolve "Increase loki retention time"

Closes #780 and #790

See merge request openappstack/openappstack!407

168h produced the following error:

    invalid schema config: boltdb-shipper works best with 24h periodic index config.
    Either add a new config with future date set to 24h to retain the existing index or
    change the existing config to use 24h period.

Closes: #790

Fixes: #780

Resolve "master branch Docker build fails"

Closes #789

See merge request openappstack/openappstack!406

Fixes: #789

Resolve "Reconsider pod limits"

Closes #786

See merge request openappstack/openappstack!404

TRIGGER_JOBS=enable-rocketchat

Make both prometheus and alertmanager ingresses no-optional

Closes #783

See merge request openappstack/openappstack!403

seeh ttps://github.com/bitnami/charts/issues/4596#issuecomment-741746605

see https://github.com/prometheus-community/helm-charts/blob/main/charts/kube-prometheus-stack/values.yaml#L231

Related: #762