Rust

chore(deps): update pyo3 requirement from 0.20.0 to 0.21.2 #616

Job	Run time
Check cargo fmt	42s
cargo test (macos)	26s
build with wasm-pack	38s
cargo check	39s
cargo test (macos-aarch64)	25s
Verify MSRV (Min Supported Rust Version)	3m 28s
cargo test (win64)	51s
Verify Vendored Code	37s
Run sqllogictest with Postgres runner	0s
verify benchmark results (amd64)	0s
cargo doc	0s
cargo test datafusion-cli (amd64)	0s
cargo test (amd64)	0s
clippy	0s
cargo test doc (amd64)	0s
cargo examples (amd64)	0s
cargo test pyarrow (amd64)	0s
check Cargo.toml formatting	0s
check configs.md is up-to-date	0s
cargo test hash collisions (amd64)	0s
	7m 46s

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