Rust

feat: support upper and lower for stringview #150

Job	Run time
cargo check	5m 39s
build with wasm-pack	2m 28s
cargo test (macos)	11m 52s
cargo test (macos-aarch64)	6m 40s
Verify Vendored Code	1m 15s
cargo test (win64)	38m 42s
Check cargo fmt	33s
Verify MSRV (Min Supported Rust Version)	6m 42s
check configs.md is up-to-date	2m 50s
clippy	5m 41s
check Cargo.toml formatting	2m 56s
cargo test hash collisions (amd64)	14m 5s
cargo doc	3m 58s
cargo test (amd64)	9m 58s
cargo test doc (amd64)	15m 2s
cargo examples (amd64)	13m 21s
cargo test datafusion-cli (amd64)	4m 8s
Run sqllogictest with Postgres runner	3m 24s
cargo test pyarrow (amd64)	2m 45s
verify benchmark results (amd64)	11m 39s
	2h 43m 38s

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