Rust

Prevent bigger files from being checked in #29

Job	Run time
Check cargo fmt	41s
cargo check	8m 35s
build with wasm-pack	2m 35s
cargo test (macos)	14m 36s
cargo test (macos-aarch64)	10m 40s
Verify Vendored Code	52s
cargo test (win64)	32m 36s
Verify MSRV (Min Supported Rust Version)	6m 26s
cargo test datafusion-cli (amd64)	3m 39s
cargo doc	3m 40s
cargo test doc (amd64)	14m 3s
cargo test (amd64)	9m 36s
cargo examples (amd64)	12m 21s
Run sqllogictest with Postgres runner	3m 31s
verify benchmark results (amd64)	10m 47s
check Cargo.toml formatting	2m 41s
clippy	5m 5s
check configs.md is up-to-date	2m 30s
cargo test hash collisions (amd64)	8m 59s
cargo test pyarrow (amd64)	2m 54s
	2h 36m 47s

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