Errors and higher latency on all API endpoints

This incident affected: US - Observability - Data Ingestion (US - Trace Assembly, US - Trace Statistics, US - Metrics, US - Logs), Observability - Third-Party Notification Methods (PagerDuty Events API, Slack Apps/Integrations, Slack Connections, Slack Messaging), US - Observability - Web UI (US - Service Directory, US - Dashboards, US - Notebooks, US - Change Intelligence, US - Explorer, US - Logs Search), US - Observability - Alerting (US - Unified Alerting, US - Streams Alerting), and US - Observability - API.