Update sqlparser requirement from 0.50.0 to 0.52.0 #728

Job	Run time
Check cargo fmt	41s
cargo check	1m 27s
build with wasm-pack	2m 13s
cargo test (macos)	2m 48s
cargo test (macos-aarch64)	2m 50s
Verify MSRV (Min Supported Rust Version)	5m 52s
Verify Vendored Code	52s
cargo test (win64)	4m 38s
cargo test pyarrow (amd64)	0s
verify benchmark results (amd64)	0s
Run sqllogictest with Postgres runner	0s
check Cargo.toml formatting	0s
clippy	0s
check configs.md is up-to-date	0s
cargo test hash collisions (amd64)	0s
cargo doc	0s
cargo test (amd64)	0s
cargo test datafusion-cli (amd64)	0s
cargo test doc (amd64)	0s
cargo examples (amd64)	0s
	21m 21s

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