Changes to Update a DBaaS Grafana service

added the new optional request property grafana-settings/custom_domain

added the new optional request property grafana-settings/wal

removed the request property grafana-settings/privatelink_access

removed the request property grafana-settings/recovery_basebackup_name

added the new optional request property grafana-settings/auth_github/auto_login

added the new optional request property grafana-settings/auth_github/skip_org_role_sync

added the new optional request property grafana-settings/service_log

added the new optional request property grafana-settings/alerting_enabled

added the new optional request property grafana-settings/alerting_error_or_timeout

added the new optional request property grafana-settings/alerting_max_annotations_to_keep

added the new optional request property grafana-settings/alerting_nodata_or_nullvalues

added the new optional request property grafana-settings/allow_embedding

added the new optional request property grafana-settings/auth_azuread

added the new optional request property grafana-settings/auth_basic_enabled

added the new optional request property grafana-settings/auth_generic_oauth

added the new optional request property grafana-settings/auth_github

added the new optional request property grafana-settings/auth_gitlab

added the new optional request property grafana-settings/auth_google

added the new optional request property grafana-settings/cookie_samesite

added the new optional request property grafana-settings/dashboard_previews_enabled

added the new optional request property grafana-settings/dashboards_min_refresh_interval

added the new optional request property grafana-settings/dashboards_versions_to_keep

added the new optional request property grafana-settings/dataproxy_send_user_header

added the new optional request property grafana-settings/dataproxy_timeout

added the new optional request property grafana-settings/date_formats

added the new optional request property grafana-settings/disable_gravatar

added the new optional request property grafana-settings/editors_can_admin

added the new optional request property grafana-settings/google_analytics_ua_id

added the new optional request property grafana-settings/metrics_enabled

added the new optional request property grafana-settings/oauth_allow_insecure_email_lookup

added the new optional request property grafana-settings/privatelink_access

added the new optional request property grafana-settings/recovery_basebackup_name

added the new optional request property grafana-settings/smtp_server

added the new optional request property grafana-settings/unified_alerting_enabled

added the new optional request property grafana-settings/user_auto_assign_org

added the new optional request property grafana-settings/user_auto_assign_org_role

added the new optional request property grafana-settings/viewers_can_edit

endpoint added