Rust

Allow ColumnarValue to array conversion with less copying #419

Job	Run time
Check cargo fmt	40s
Check License Header	2m 23s
cargo check	13m 36s
build with wasm-pack	3m 14s
cargo test (macos)	19m 17s
cargo test (macos-aarch64)	15m 37s
Verify MSRV (Min Supported Rust Version)	9m 18s
Verify Vendored Code	53s
cargo test (win64)	1h 9m 50s
cargo test (amd64)	12m 2s
cargo examples (amd64)	14m 47s
check Cargo.toml formatting	2m 56s
clippy	6m 58s
check configs.md and ***_functions.md is up-to-date	3m 37s
cargo test hash collisions (amd64)	28m 11s
cargo doc	4m 24s
cargo test doc (amd64)	17m 29s
Run sqllogictest with Postgres runner	4m 4s
cargo test datafusion-cli (amd64)	4m 39s
cargo test pyarrow (amd64)	2m 58s
verify benchmark results (amd64)	14m 40s
	4h 11m 33s

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