Rust

fix: preserve timestamp precision when coercing mixed time units #67643

Job	Run time
Check cargo fmt	1m 47s
Verify MSRV (Min Supported Rust Version)	5m 55s
linux build test	4m 30s
build and run with wasm-pack	6m 20s
Verify Vendored Code	1m 11s
cargo test (macos-aarch64)	4m 58s
cargo test (amd64)	13m 6s
cargo check datafusion-substrait features	11m 52s
cargo check datafusion-proto features	4m 38s
cargo examples (amd64)	10m 40s
cargo check datafusion features	11m 39s
Run sqllogictest in Substrait round-trip mode	7m 24s
cargo check datafusion-functions features	2m 42s
check Cargo.toml formatting	3m 5s
verify benchmark results (amd64)	14m 5s
Run sqllogictest with Postgres runner	7m 59s
cargo doc	5m 44s
clippy	5m 41s
check example README is up-to-date	5m 25s
cargo test doc (amd64)	9m 28s
check configs.md and ***_functions.md is up-to-date	5m 55s
cargo check datafusion-common features	2m 5s
cargo test datafusion-cli (amd64)	5m 23s
	2h 31m 32s

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