Update dependency certifi to v2021.10.8

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
certifi (source)	==2021.5.30 -> ==2021.10.8

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Release Notes

certifi/python-certifi

### [`v2021.10.8`](https://togithub.com/certifi/python-certifi/compare/2021.05.30...2021.10.08) [Compare Source](https://togithub.com/certifi/python-certifi/compare/2021.05.30...2021.10.08)

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Configuration

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