Rust

[Document] Adding UDF by impl ScalarUDFImpl (#9172) #423

Job	Run time
Check cargo fmt	40s
cargo check	8m 2s
build with wasm-pack	2m 25s
cargo test (macos)	28m 38s
Verify MSRV (Min Supported Rust Version)	6m 56s
Verify Vendored Code	50s
cargo test (win64)	41m 38s
cargo test hash collisions (amd64)	8m 58s
clippy	4m 59s
check Cargo.toml formatting	1m 34s
check configs.md is up-to-date	2m 36s
cargo doc	3m 21s
cargo test (amd64)	9m 41s
cargo test datafusion-cli (amd64)	3m 28s
cargo test doc (amd64)	10m 50s
cargo examples (amd64)	9m 51s
Run sqllogictest with Postgres runner	3m 11s
cargo test pyarrow (amd64)	2m 42s
verify benchmark results (amd64)	10m 21s
	2h 40m 41s

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