Rust

Minor: Make `group_schema` as `PhysicalGroupBy` method #36724

Job	Run time
Check cargo fmt	38s
Check cargo fmt	38s
Check License Header	2m 13s
Check License Header	2m 13s
linux build test	4m 4s
linux build test	4m 4s
build with wasm-pack	3m 27s
build with wasm-pack	3m 27s
cargo test (macos-aarch64)	12m 22s
cargo test (macos-aarch64)	12m 22s
Verify Vendored Code	49s
Verify Vendored Code	49s
Verify MSRV (Min Supported Rust Version)	9m 1s
Verify MSRV (Min Supported Rust Version)	9m 1s
cargo check datafusion	4m 57s
cargo check datafusion	4m 57s
cargo check no default features	8m 10s
cargo check no default features	8m 10s
cargo test (amd64)	12m 34s
cargo test (amd64)	12m 34s
cargo test datafusion-cli (amd64)	5m 9s
cargo test datafusion-cli (amd64)	5m 9s
clippy	2m 4s
clippy	2m 11s
check Cargo.toml formatting	3m 10s
check Cargo.toml formatting	3m 10s
check configs.md and ***_functions.md is up-to-date	4m 5s
check configs.md and ***_functions.md is up-to-date	4m 5s
cargo check functions	1m 37s
cargo check functions	1m 37s
cargo doc	4m 38s
cargo doc	4m 38s
cargo test doc (amd64)	18m 11s
cargo test doc (amd64)	18m 11s
cargo examples (amd64)	15m 17s
cargo examples (amd64)	15m 17s
cargo test pyarrow (amd64)	3m 16s
cargo test pyarrow (amd64)	3m 16s
Run sqllogictest with Postgres runner	4m 48s
Run sqllogictest with Postgres runner	4m 48s
verify benchmark results (amd64)	8m 25s
verify benchmark results (amd64)	8m 25s
	4h 17m 57s

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