chore(deps): bump arrow-schema from 55.2.0 to 56.2.0 in /pkg/data_cache

Bumps [arrow-schema](https://github.com/apache/arrow-rs) from 55.2.0 to 56.2.0.
- [Release notes](https://github.com/apache/arrow-rs/releases)
- [Changelog](https://github.com/apache/arrow-rs/blob/56.2.0/CHANGELOG.md)
- [Commits](apache/arrow-rs@55.2.0...56.2.0)

---
updated-dependencies:
- dependency-name: arrow-schema
  dependency-version: 56.2.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pkg/data_cache/Cargo.lock

@@ -9,7 +9,7 @@ tracing-subscriber = "0.3.22"
 tokio = { version = "1.49.0", features = ["full"] }
 datafusion = "47.0.0"
 arrow = "55.0.0"
-arrow-schema = "55.0.0"
+arrow-schema = "56.2.0"
 serde = { version = "1.0.228", features = ["derive"] }
 async-trait = "0.1.89"
 iceberg-datafusion = "0.6.0"