Rust

fix: do not block tokio during physical optimization #144

Job	Run time
build with wasm-pack	2m 19s
cargo test (macos)	19m 35s
cargo check	3m 17s
Check cargo fmt	47s
cargo test (macos-aarch64)	7m 47s
Verify Vendored Code	1m 2s
cargo test (win64)	33m 40s
Verify MSRV (Min Supported Rust Version)	6m 58s
check configs.md is up-to-date	2m 35s
clippy	2m 5s
check Cargo.toml formatting	2m 53s
cargo doc	4m 9s
cargo test hash collisions (amd64)	9m 54s
cargo test (amd64)	10m 12s
cargo test datafusion-cli (amd64)	3m 45s
cargo test doc (amd64)	12m 55s
cargo examples (amd64)	10m 12s
Run sqllogictest with Postgres runner	3m 9s
cargo test pyarrow (amd64)	2m 46s
verify benchmark results (amd64)	9m 51s
	2h 29m 51s

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