Rust

feat: add array_first higher-order array function #70315

Job	Run time
linux build test	7m 43s
Check cargo fmt	1m 13s
cargo test (macos-aarch64)	8m 33s
build and run with wasm-pack	6m 43s
Verify Vendored Code	1m 21s
Verify MSRV (Min Supported Rust Version)	5m 52s
cargo check datafusion-proto features	4m 59s
verify benchmark results (amd64)	16m 52s
cargo check datafusion-substrait features	13m 15s
cargo check datafusion-functions features	2m 36s
cargo test datafusion-cli (amd64)	5m 49s
cargo check datafusion-ffi features	2m 8s
cargo check datafusion features	10m 45s
check Cargo.toml formatting	3m 16s
check configs.md and ***_functions.md is up-to-date	6m 9s
cargo check datafusion-common features	1m 53s
clippy	9m 40s
cargo doc	5m 53s
Run sqllogictest with Postgres runner	9m 15s
check example README is up-to-date	5m 52s
cargo test doc (amd64)	9m 52s
cargo test (amd64)	16m 57s
Run sqllogictest in Substrait round-trip mode	8m 48s
cargo examples (amd64)	16m 19s
	3h 1m 43s

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