Rust

refactor: Use `Signature::coercible` for isnan/iszero #55518

Job	Run time
Verify MSRV (Min Supported Rust Version)	4m 35s
Verify Vendored Code	1m 35s
Check cargo fmt	1m 11s
cargo test (macos-aarch64)	15m 27s
linux build test	3m 20s
build and run with wasm-pack	4m 48s
cargo check datafusion-proto features	4m 36s
cargo check datafusion-functions features	2m 24s
cargo test (amd64)	10m 53s
cargo examples (amd64)	9m 18s
cargo check datafusion-substrait features	10m 6s
cargo test datafusion-cli (amd64)	5m 16s
cargo check datafusion features	10m 48s
cargo check datafusion-common features	1m 54s
Run sqllogictest with Postgres runner	7m 48s
clippy	5m 15s
verify benchmark results (amd64)	11m 8s
cargo test doc (amd64)	8m 51s
check Cargo.toml formatting	4m 37s
cargo doc	4m 34s
check configs.md and ***_functions.md is up-to-date	5m 57s
check example README is up-to-date	1m 53s
Run sqllogictest in Substrait round-trip mode	7m 34s
	2h 23m 48s

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