Rust

Refactor aggregate function handling #20679

Job	Run time
cargo test (win64)	27m 41s
cargo check	2m 25s
Check cargo fmt	39s
build with wasm-pack	1m 55s
cargo test (mac)	11m 36s
Verify MSRV	6m 20s
Verify Vendored Code	45s
cargo test (amd64)	8m 49s
cargo test doc (amd64)	9m 39s
clippy	4m 21s
check Cargo.toml formatting	1m 20s
cargo test hash collisions (amd64)	8m 31s
cargo doc	3m 10s
cargo test datafusion-cli (amd64)	2m 53s
cargo examples (amd64)	6m 12s
Run sqllogictest with Postgres runner	3m 7s
cargo test pyarrow (amd64)	2m 13s
verify benchmark results (amd64)	9m 51s
check configs.md is up-to-date	2m 16s
	1h 53m 43s

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