Update hashbrown requirement from 0.14.2 to 0.15.1 (#6684)

Updates the requirements on [hashbrown](https://github.com/rust-lang/hashbrown) to permit the latest version.
- [Changelog](https://github.com/rust-lang/hashbrown/blob/master/CHANGELOG.md)
- [Commits](rust-lang/hashbrown@v0.14.2...v0.15.1)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

arrow-array/Cargo.toml

@@ -48,7 +48,7 @@ chrono = { workspace = true }
 chrono-tz = { version = "0.10", optional = true }
 num = { version = "0.4.1", default-features = false, features = ["std"] }
 half = { version = "2.1", default-features = false, features = ["num-traits"] }
-hashbrown = { version = "0.14.2", default-features = false }
+hashbrown = { version = "0.15.1", default-features = false }
 
 [features]
 ffi = ["arrow-schema/ffi", "arrow-data/ffi"]

parquet/Cargo.toml

@@ -63,7 +63,7 @@ serde_json = { version = "1.0", default-features = false, features = ["std"], op
 seq-macro = { version = "0.3", default-features = false }
 futures = { version = "0.3", default-features = false, features = ["std"], optional = true }
 tokio = { version = "1.0", optional = true, default-features = false, features = ["macros", "rt", "io-util"] }
-hashbrown = { version = "0.14", default-features = false }
+hashbrown = { version = "0.15", default-features = false }
 twox-hash = { version = "1.6", default-features = false }
 paste = { version = "1.0" }
 half = { version = "2.1", default-features = false, features = ["num-traits"] }