Openapi-schema-validator

Changelog
* Include tests in sdist archives 71
* jsonschema 4.17 dependency limit 73
* add python 3.11 support 74

Changelog
* test required formats only 62

Changelog
* Rely on jsonschema `date` `date-time` and `uuid` format checkers. Format checkers assigned to validators 60

Backward incompatibility
* Missing format checker for format no longer raise `FormatError`

Changelog
* OAS30 read write validators 59

Changelog
* Drop no longer used runtime dependency on attrs 54
* Re-implemented nullable based on OAS 3.0.3 definition. 57

Changelog
* OASValidator 3.0 read write pass with evolve 52