* [ISSUE-19733] clarify error message when reading config files * [ISSUE #19733] code review and adding validation for spec file as well * [ISSUE #19733] updating typing of read_json_file * [ISSUE #19733] fix flake8 error * [ISSUE #19733] fix linting error * [ISSUE #19733] remove breaking change * [ISSUE #19733] bump airbyte cdk version * [ISSUE #19733] add test for invalid json file on read_state * [ISSUE #19733] bump version