v1.31.0

Features

• #504 - PB-1282: document the new authentication method.
• #500 - PB-1169 Search forecast properties
• #499 - using GET range request instead of HEAD to check external asset reach…
• #501 - PB-1281: Add feature flag for ApiGateway authentication

Bug Fixes

• #502 - PB-1366: make new auth work for write requests.