build(deps): update arrow requirement from 49.0.0 to 50.0.0

Updates the requirements on [arrow](https://github.com/apache/arrow-rs) to permit the latest version.
- [Changelog](https://github.com/apache/arrow-rs/blob/master/CHANGELOG.md)
- [Commits](apache/arrow-rs@49.0.0...50.0.0)

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

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

Cargo.toml

@@ -8,7 +8,7 @@ crate-type = ["cdylib"]
 name = "biobear"
 
 [dependencies]
-arrow = {version = "49.0.0", features = ["pyarrow"]}
+arrow = {version = "50.0.0", features = ["pyarrow"]}
 datafusion = "34"
 exon = {version = "0.7.1", features = ["all"]}
 pyo3 = "0.20"