Update requests-mock to 1.11.0

[pyup-bot]

This PR updates requests-mock from 1.10.0 to 1.11.0.

Changelog

1.11.0

What's Changed
* Upgrade GitHub Actions by cclauss in https://github.com/jamielennox/requests-mock/pull/224
* Typing analysis and public type aliases by noirbizarre in https://github.com/jamielennox/requests-mock/pull/226
* Use unittest.mock when available on Python > 3.3 by jelly in https://github.com/jamielennox/requests-mock/pull/230
* Tell urllib3 to ignore content length mismatch by jamielennox in https://github.com/jamielennox/requests-mock/pull/232
* Remove testrepository dependency by jamielennox in https://github.com/jamielennox/requests-mock/pull/229

New Contributors
* cclauss made their first contribution in https://github.com/jamielennox/requests-mock/pull/224
* noirbizarre made their first contribution in https://github.com/jamielennox/requests-mock/pull/226
* jelly made their first contribution in https://github.com/jamielennox/requests-mock/pull/230

**Full Changelog**: https://github.com/jamielennox/requests-mock/compare/1.10.0...1.11.0

Links

• PyPI: https://pypi.org/project/requests-mock
• Changelog: https://pyup.io/changelogs/requests-mock/
• Docs: https://requests-mock.readthedocs.io/