Update dependency guzzlehttp/guzzle to v7.8.1 (dev)

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
guzzlehttp/guzzle (source)	7.8.0 -> 7.8.1

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Release Notes

guzzle/guzzle (guzzlehttp/guzzle)

### [`v7.8.1`](https://togithub.com/guzzle/guzzle/blob/HEAD/CHANGELOG.md#781---2023-12-03) [Compare Source](https://togithub.com/guzzle/guzzle/compare/7.8.0...7.8.1) ##### Changed - Updated links in docs to their canonical versions - Replaced `call_user_func*` with native calls

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