chore(deps): Update Rust crate libtest-mimic to 0.8.0 - autoclosed #1365

Job	Run time
Coverage	3m 28s
Test (windows-latest, stable)	3m 58s
lockfile	23s
Check MSRV (ubuntu-latest)	1m 2s
Docs	29s
Test (macos-latest, stable)	2m 19s
clippy	2m 2s
rustfmt	21s
Test (ubuntu-latest, stable)	1m 37s
Minimal versions (ubuntu-latest)	29s
CI	3s
	16m 11s

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