chore(deps): update msrv to v1.66.1

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change	Pending
rust	patch	1.66.0 -> 1.66.1	1.69.0 (+5)

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Release Notes

rust-lang/rust

### [`v1.66.1`](https://togithub.com/rust-lang/rust/blob/HEAD/RELEASES.md#Version-1661-2023-01-10) [Compare Source](https://togithub.com/rust-lang/rust/compare/1.66.0...1.66.1) \=========================== - Added validation of SSH host keys for git URLs in Cargo ([CVE-2022-46176](https://www.cve.org/CVERecord?id=CVE-2022-46176))

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