Rust

[minor] overload from_unixtime func to have optional timezone parameter #34468

Job	Run time
build with wasm-pack	2m 35s
cargo test (win64)	3m 35s
Check cargo fmt	39s
cargo check	3m 41s
cargo test (macos-aarch64)	3m 54s
cargo test (macos)	3m 52s
Verify MSRV (Min Supported Rust Version)	3m 38s
Verify Vendored Code	49s
cargo test (amd64)	1s
cargo test datafusion-cli (amd64)	1s
cargo test doc (amd64)	1s
cargo examples (amd64)	1s
check Cargo.toml formatting	1s
clippy	1s
cargo test hash collisions (amd64)	1s
cargo doc	1s
Run sqllogictest with Postgres runner	1s
cargo test pyarrow (amd64)	1s
verify benchmark results (amd64)	1s
check configs.md and ***_functions.md is up-to-date	1s
	22m 55s

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