Stac-pydantic

New Contributors
* philvarner made their first contribution in https://github.com/stac-utils/stac-pydantic/pull/109
* thomas-maschler made their first contribution in https://github.com/stac-utils/stac-pydantic/pull/127
* gadomski made their first contribution in https://github.com/stac-utils/stac-pydantic/pull/129

**Full Changelog**: https://github.com/stac-utils/stac-pydantic/compare/2.0.3...3.0.0

What's Changed
* Make bbox optional in item definition by yellowcap in https://github.com/stac-utils/stac-pydantic/pull/108
* Add 'children' link relation by moradology in https://github.com/stac-utils/stac-pydantic/pull/112
* Update Extension docs for stac-pydantic 2.0+ by CloudNiner in https://github.com/stac-utils/stac-pydantic/pull/111
* Fix item bbox field validation by yellowcap in https://github.com/stac-utils/stac-pydantic/pull/114
* removed fields which are added by extensions from the base Search mod… by rsmith013 in https://github.com/stac-utils/stac-pydantic/pull/100
* Bump to version 2.0.3 by moradology in https://github.com/stac-utils/stac-pydantic/pull/115

New Contributors
* yellowcap made their first contribution in https://github.com/stac-utils/stac-pydantic/pull/108
* CloudNiner made their first contribution in https://github.com/stac-utils/stac-pydantic/pull/111

**Full Changelog**: https://github.com/stac-utils/stac-pydantic/compare/2.0.2...2.0.3

What's Changed
* Add GeometryCollection to api Search model by jonhealy1 in https://github.com/stac-utils/stac-pydantic/pull/102
* Add OpenAPI MIME and rel types by duckontheweb in https://github.com/stac-utils/stac-pydantic/pull/101
* Add support for non-ellipsis open date windows by moradology in https://github.com/stac-utils/stac-pydantic/pull/103
* Update for beta.4 changes by moradology in https://github.com/stac-utils/stac-pydantic/pull/104
* Set version to 2.0.2 by moradology in https://github.com/stac-utils/stac-pydantic/pull/105

New Contributors
* jonhealy1 made their first contribution in https://github.com/stac-utils/stac-pydantic/pull/102
* duckontheweb made their first contribution in https://github.com/stac-utils/stac-pydantic/pull/101

**Full Changelog**: https://github.com/stac-utils/stac-pydantic/compare/2.0.1...2.02

- Add bbox validator to STAC search (95, geospatialjeff)
- Fix LandPage to make valid STAC 1.0 catalog (96, lossyrob)

This release updates stac-pydantic to work with STAC 1.0.0

- Update to stac version 1.0.0 (86, moradology)
- Add Collections model (81, moradology)
- Remove models for STAC spec extensions (86, moradology)
- Add conformsTo to LandingPage (90, moradology)

- Add id to landing page, making it a valid catalog (43, lossyrob)
- Make `item_assets` (item assets extension) a dictionary of assets (47, kylebarron)
- Add pre-commit to CI (48, kylebarron)
- Add a `Links` model with custom root type to represent a list of links (52)
- Move link related models to their own file (53)
- Add link factories for generating inferred links (55)
- Switch from relative to absolute imports (61)
- Serialize date type fields to `datetime.datetime` upon model creation (62)