Update arrow requirement from 55.1.0 to 56.2.0

Updates the requirements on [arrow](https://github.com/apache/arrow-rs) to permit the latest version.
- [Release notes](https://github.com/apache/arrow-rs/releases)
- [Changelog](https://github.com/apache/arrow-rs/blob/main/CHANGELOG.md)
- [Commits](apache/arrow-rs@55.1.0...56.2.0)

---
updated-dependencies:
- dependency-name: arrow
  dependency-version: 56.2.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.toml

@@ -34,5 +34,5 @@ members = ["crates/fluss", "crates/examples", "bindings/python"]
 fluss = { version = "0.1.0", path = "./crates/fluss" }
 tokio = { version = "1.44.2", features = ["full"] }
 clap = { version = "4.5.37", features = ["derive"] }
-arrow = "55.1.0"
+arrow = "56.2.0"
 chrono = { version = "0.4", features = ["clock", "std", "wasmbind"] }