chore(deps): Update Rust crate which to v8

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
which	dependencies	major	7.0.0 -> 8.0.0

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Release Notes

harryfei/which-rs (which)

v8.0.0

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• Add new Sys trait to allow abstracting over the underlying filesystem. Particularly useful for wasm32-unknown-unknown targets. Thanks @​dsherret for this contribution to which!
• Add more debug level tracing for otherwise silent I/O errors.
• Call the NonFatalHandler in more places to catch previously ignored I/O errors.
• Remove use of the either dependency.

v7.0.3

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• Update rustix to version 1.0. Congrats to rustix on this milestone, and thanks @​mhils for this contribution to which!

v7.0.2

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• Don't return paths containing the single dot . reference to the current directory, even if the original request was given in
  terms of the current directory. Thanks @​jakobhellermann for this contribution!

v7.0.1

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• Get user home directory from env_home instead of home. Thanks @​micolous for this contribution!
• If home directory is unavailable, do not expand the tilde to an empty string. Leave it as is.

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Configuration

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[coveralls]

Pull Request Test Coverage Report for Build 15989487700

Details

• 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 30.592%

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Totals
Change from base Build 15915036926:	0.0%
Covered Lines:	186
Relevant Lines:	608

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💛 - Coveralls