Update all non-major dependencies

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
types-PyYAML	==5.4.3 -> ==5.4.6
types-requests	==2.25.2 -> ==2.25.6
yamllint	==1.26.1 -> ==1.26.2

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Release Notes

adrienverge/yamllint

### [`v1.26.2`](https://togithub.com/adrienverge/yamllint/blob/master/CHANGELOG.rst#​1262-2021-08-03) [Compare Source](https://togithub.com/adrienverge/yamllint/compare/v1.26.1...v1.26.2) * Fix `python_requires` to comply with PEP 345 and PEP 440

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