Update README.md (#257)

Json schema keyword count improved

Author: spacether

README.md

@@ -40,7 +40,7 @@ You can join us here: https://discord.gg/mHB8WEQuYQ
   - passing mypy tests means that this generator could be ported into compiled languages lik java/kotlin/golang
 - [Autogenerated thorough testing of json schema keyword features in models and endpoints](https://github.com/openapi-json-schema-tools/openapi-json-schema-generator/tree/master/samples/client/3_0_3_unit_test/python/test) which come from the [json schema test suite](https://github.com/json-schema-org/JSON-Schema-Test-Suite)
 - [Tests are passing in CI](https://app.circleci.com/pipelines/github/openapi-json-schema-tools/openapi-json-schema-generator?branch=master)
-- [Test endpoints are tagged by the relevant keyword like type/format/allOf 25+ keywords and counting](https://github.com/openapi-json-schema-tools/openapi-json-schema-generator/tree/master/samples/client/3_0_3_unit_test/python/docs/apis/tags)
+- [Test endpoints are tagged by the relevant keyword like type/format/allOf 36 keywords and counting](https://github.com/openapi-json-schema-tools/openapi-json-schema-generator/tree/master/samples/client/3_1_0_unit_test/python/docs/apis/tags)
 - Code re-use built in from the ground up
   - components/schemas/headers etc are generated as separate classes and imported when used via $ref
 - Openapi spec inline schemas supported at any depth in any location