Draft: Deploy operator with OLM

Part of https://gitlab.cern.ch/webservices/webframeworks-planning/-/issues/445

Changes:

• Upgrade operator-sdk to v1.9.0 (Docs: https://docs.okd.io/latest/operators/operator_sdk/osdk-upgrading-projects.html, https://sdk.operatorframework.io/docs/upgrading-sdk-version/v1.9.0/).
• Use ComponentConfig instead of cli args following https://book.kubebuilder.io/component-config-tutorial/tutorial.html.
• Remove helm charts.
• Add config/qos-critical, config/qos-eco, config/qos-standard, config/sitebuilder for runtime configmaps.
• Add default/manager_resources_patch.yaml and default/manager_runtime_config_patch.yaml to set resources and runtime config in manager deployment.
• Update rbac of controller manager.
• Update gitlab ci.