chore(deps): bump half from 2.5.0 to 2.6.0 (apache#15806)

Bumps [half](https://github.com/VoidStarKat/half-rs) from 2.5.0 to 2.6.0.
- [Release notes](https://github.com/VoidStarKat/half-rs/releases)
- [Changelog](https://github.com/VoidStarKat/half-rs/blob/main/CHANGELOG.md)
- [Commits](VoidStarKat/half-rs@v2.5.0...v2.6.0)

---
updated-dependencies:
- dependency-name: half
  dependency-version: 2.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -142,7 +142,7 @@ datafusion-sql = { path = "datafusion/sql", version = "47.0.0" }
 doc-comment = "0.3"
 env_logger = "0.11"
 futures = "0.3"
-half = { version = "2.5.0", default-features = false }
+half = { version = "2.6.0", default-features = false }
 hashbrown = { version = "0.14.5", features = ["raw"] }
 indexmap = "2.9.0"
 itertools = "0.14"