Openepd

Feat

- add default timeout to API client

Fix

- fix ValidationError to string representation
- add strict validation for Mass amounts in declaration objects
- fix parsing impacts with extensions
- enforce doctype matching in Epd, GE, IEPD

Fix

- fix root validator for Amount

Fix

- generalize `version` field from EPD

Fix

- make naming in GE, IEPD api consistent with the rest of the API

Feat

- **api**: add IndustryEPD openEPD API client
- **api**: add GenericEstimate openEPD API client

Fix

- correct descriptions in GenericEstimate
- correct models for openAPI compatibility