Update module github.com/docker/docker to v20.10.6

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
github.com/docker/docker	require	patch	v20.10.5+incompatible -> v20.10.6

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Release Notes

docker/docker

### [`v20.10.6`](https://togithub.com/docker/docker/releases/v20.10.6) [Compare Source](https://togithub.com/docker/docker/compare/v20.10.5...v20.10.6) release notes:

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Configuration

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🚦 Automerge: Enabled.

♻️ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box.

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[coveralls]

Pull Request Test Coverage Report for Build 858618112

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 81.792%

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Totals
Change from base Build 858616324:	0.0%
Covered Lines:	283
Relevant Lines:	346

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💛 - Coveralls