Rust

ci: reintroduce code coverage reporting with cargo-llvm-cov #70874

Job	Run time
linux build test	6m 40s
cargo test (macos-aarch64)	5m 5s
Verify Vendored Code	1m 24s
build and run with wasm-pack	6m 28s
Check GitHub Actions install tooling	7s
Verify MSRV (Min Supported Rust Version)	6m 7s
Check cargo fmt	1m 8s
cargo check datafusion-common features	1m 59s
cargo check datafusion-functions features	2m 35s
cargo examples (amd64)	17m 14s
cargo check datafusion-proto features	5m 33s
cargo test doc (amd64)	9m 46s
cargo test datafusion-cli (amd64)	5m 41s
cargo check datafusion-ffi features	2m 26s
cargo test (amd64)	14m 35s
cargo check datafusion-substrait features	13m 9s
check configs.md and ***_functions.md is up-to-date	7m 32s
clippy	9m 13s
Run sqllogictest in Substrait round-trip mode	7m 55s
cargo check datafusion features	8m 32s
verify benchmark results (amd64)	16m 40s
Run sqllogictest with Postgres runner	7m 39s
check example README is up-to-date	7m 10s
cargo doc	5m 48s
check Cargo.toml formatting	4m 47s
	2h 55m 13s

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