==================
This release allows to install latest versions of,
- ``attrs``
- ``environ-config``
As well as depend on only supported version of ``openapi-core`` library,
which ensures that ``poetry update`` do not install unsupported version
of ``openapi-core``.
**Other:**
- (**deps**) bump pyyaml from 5.3.1 to 5.4.1 (147)
- (**deps-dev**) bump coverage from 5.3.1 to 5.4 (145)
- (**deps-dev**) bump pytest from 6.2.1 to 6.2.2 (146)
- (**deps-dev**) bump pytest-cov from 2.10.1 to 2.11.1 (144)
- (**deps**) bump peter-evans/create-pull-request from v3.6.0 to v3.8.0 (148)
- Bump Python dev version to 3.9.2 (160)
- (**deps**) bump actions/cache from v2.1.3 to v2.1.4 (158)
- (**deps**) bump pypa/gh-action-pypi-publish from v1.4.1 to v1.4.2 (157)
- (**deps**) bump peter-evans/create-pull-request from v3.8.0 to v3.8.2 (156)
- (**deps**) bump actions/setup-python from v2.2.1 to v2.2.2 (165)
- (**deps**) bump actions/cache from v2.1.4 to v2.1.5 (166)
- (**deps**) bump pre-commit/action from v2.0.0 to v2.0.3 (167)
- (**deps**) bump environ-config from 20.1.0 to 21.1.0 (164)
- (**deps-dev**) bump pytest from 6.2.2 to 6.2.3 (163)
- [149] Pin supported openapi-core version (170)
- Apply isort pre-commit hook (174)
- (**deps**) bump attrs from 20.3.0 to 21.2.0 (171)
- (**deps-dev**) bump pytest from 6.2.3 to 6.2.4 (173)
- Update docs requirements (175)