Openepd

Feat

- add pydantic 2.0 support

Feat

- extend quantity validator interface with less than and more than methods
- add more quantity types

Feat

- add type aliases for some quantity types

Fix

- add default _EXT_VERSION to where it was missing

Feat

- add placeholder specs for Concrete children
- update `PrecastConcreteV1` to the new parameters

Fix

- extend Concrete ACI exposure classes with missing values
- fix typing issues and allow nullability for some properties

Fix

- add commit to test versioning

Fix

- correct content and docs of Concrete exposure classes enums