build(deps): update datafusion requirement from 41 to 42

Updates the requirements on [datafusion](https://github.com/apache/datafusion) to permit the latest version.
- [Changelog](https://github.com/apache/datafusion/blob/main/CHANGELOG.md)
- [Commits](apache/datafusion@41.0.0...42.0.0)

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

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

Cargo.toml

@@ -9,7 +9,7 @@ name = "biobear"
 
 [dependencies]
 arrow = { version = "52.1.0", features = ["pyarrow"] }
-datafusion = "41"
+datafusion = "42"
 exon = { version = "0.31.0", features = ["default"] }
 pyo3 = "0.21.2"
 tokio = { version = "1", features = ["rt"] }