v0.4.0: Support MergePatch for OpenAPI 3.0

v0.3.0: Stable release

v0.3.0-rc.3: Include discriminator in `Put` types

v0.3.0-rc.2: Fix `type: ~` issue

v0.3.0-rc.1: Binaries, $includeFiles, better errors

v0.2.2-beta.5: Release from `main`

The previous version was from a local working branch that was missing a
comment change.

v0.2.2-beta.3: Fix minor issues with doc fields

Thank you, Blake and Hana!

v0.2.2-beta.2: Generate docs for oneOf in MergePatch

v0.2.2-beta.1: Allow `oneOf` in `interfaces` (experimental)

v0.2.1: Support `description` on `$ref`