an interface to most facets of the [Fastly API](https://developer.fastly.com/reference/api).

Changes for 5.01 - 2023-09-01

• feat(backend): support share_key field.
• feat(events): support extra created_at filters.
• feat(logging/newrelic): add OTLP endpoints.
• feat(tls/subscriptions): support self_managed_http_challenge field.
• doc(secretstore): correct description for GET endpoint.