Rust

Increase batch size x4 #704

Job	Run time
Check cargo fmt	31s
build with wasm-pack	1m 54s
cargo test (mac)	12m 25s
cargo check	6m 16s
Verify Vendored Code	48s
cargo test (win64)	7m 45s
Verify MSRV	6m 22s
cargo test (amd64)	5m 51s
cargo test datafusion-cli (amd64)	2m 48s
cargo test doc (amd64)	9m 34s
cargo doc	2m 59s
cargo examples (amd64)	6m 10s
Run sqllogictest with Postgres runner	3m 12s
cargo test pyarrow (amd64)	2m 9s
verify benchmark results (amd64)	9m 5s
check Cargo.toml formatting	1m 15s
clippy	4m 8s
check configs.md is up-to-date	2m 9s
cargo test hash collisions (amd64)	5m 35s
	1h 30m 56s

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