Update dependency httpcore to v1.0.7

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
httpcore	==1.0.6 -> ==1.0.7

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Release Notes

encode/httpcore (httpcore)

### [`v1.0.7`](https://redirect.github.com/encode/httpcore/blob/HEAD/CHANGELOG.md#Version-107-November-15th-2024) [Compare Source](https://redirect.github.com/encode/httpcore/compare/1.0.6...1.0.7) - Support `proxy=…` configuration on `ConnectionPool()`. ([#​974](https://redirect.github.com/encode/httpcore/issues/974))

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