ci: use `-Cinstrument-coverage` instead of `-Zprofile` #1009

Job	Run time
cargo check (ubuntu-latest)	22s
Code Coverage (ubuntu-latest, unix)	1m 55s
cargo check (macOS-latest)	22s
cargo test (ubuntu-latest)	43s
cargo fmt --all -- --check	8s
Code Coverage (macos-latest, macos)	1m 58s
cargo check (windows-latest)	1m 25s
cargo test (macOS-latest)	28s
Code Coverage (windows-latest, windows)	4m 31s
cargo test (windows-latest)	31s
	12m 23s

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