Update dependency webmock to v3.21.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
webmock (changelog)	'3.21.0' -> '3.21.1'

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Release Notes

bblimke/webmock (webmock)

### [`v3.21.1`](https://togithub.com/bblimke/webmock/blob/HEAD/CHANGELOG.md#3211) [Compare Source](https://togithub.com/bblimke/webmock/compare/v3.21.0...v3.21.1) - The stubbed Net::HTTPResponse#uri now returns request.uri, aligning it with the behavior of an actual Net::HTTPResponse.

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Configuration

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[yegor256]

@rultor please, try to merge, since 3 checks have passed

[rultor]

@rultor please, try to merge, since 3 checks have passed

@yegor256 OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor please, try to merge, since 3 checks have passed

@yegor256 Done! FYI, the full log is here (took me 1min)