Rust

Prevent bigger files from being checked in #38

Job	Run time
build with wasm-pack	2m 7s
cargo test (macos)	11m 3s
cargo check	3m 23s
Check cargo fmt	27s
cargo test (macos-aarch64)	9m 55s
Verify MSRV (Min Supported Rust Version)	6m 25s
Verify Vendored Code	51s
cargo test (win64)	27m 18s
cargo test datafusion-cli (amd64)	3m 44s
cargo test doc (amd64)	13m 26s
cargo doc	3m 22s
cargo test (amd64)	9m 23s
cargo examples (amd64)	12m 36s
verify benchmark results (amd64)	11m 6s
Run sqllogictest with Postgres runner	3m 9s
check Cargo.toml formatting	2m 56s
clippy	4m 54s
check configs.md is up-to-date	2m 37s
cargo test hash collisions (amd64)	9m 20s
cargo test pyarrow (amd64)	2m 56s
	2h 20m 58s

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