Update rstest to 0.23.0, the current version

[musicinmybrain]

I confirmed that cargo test still passes.

[coveralls]

Pull Request Test Coverage Report for Build 11850985555

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 97.325%

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Totals
Change from base Build 10903408480:	0.0%
Covered Lines:	4584
Relevant Lines:	4710

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💛 - Coveralls

[MitMaro]

Thanks for the update! CI failures are unrelated to the change. I'll try to take a closer look later.

[musicinmybrain]

The failing format and lint checks appear unrelated to the contents of this PR.

[MitMaro]

I'm going to merge with the failures. These things are also broken on the main branch as well.

Thanks again for the pull request!