Bump actions/cache from 3 to 4 #699

Job	Run time
Check cargo fmt	41s
cargo check	6m 19s
cargo test (mac)	15m 48s
build with wasm-pack	1m 59s
Verify MSRV	6m 12s
Verify Vendored Code	46s
cargo test (win64)	3h 13m 40s
verify benchmark results (amd64)	9m 47s
cargo test doc (amd64)	9m 23s
check Cargo.toml formatting	1m 7s
clippy	2m 9s
check configs.md is up-to-date	2m 13s
cargo test hash collisions (amd64)	9m 0s
cargo doc	3m 5s
cargo test (amd64)	8m 56s
cargo test datafusion-cli (amd64)	2m 53s
cargo examples (amd64)	6m 19s
Run sqllogictest with Postgres runner	3m 18s
cargo test pyarrow (amd64)	2m 10s
	4h 45m 45s

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