Openapi-spec-validator

Changelog
* Fix typo in server variables schema for OpenAPI 3.1.0 198
* Include tests in sdist archives 199
* jsonschema 4.17 dependency limit 203
* add python 3.11 support 204

Changelog
* update openapi-schema-validator dependecy 194

Changelog
* schema properties validation recursion fix 193

Changelog
* fix custom format checker not found test 190
* fix property missing reference validation 191

Changelog
* Use stdlib importlib.resources on python >= 3.9 174
* mypy typing module version fix 181
* Drop no longer used runtime dependency on PyYAML 180
* allow openapi-schema-validator 0.4 187

Changelog
* Responses schema validation 177