chore(rust): Bump libloading from 0.8.9 to 0.9.0 in /rust

Bumps [libloading](https://github.com/nagisa/rust_libloading) from 0.8.9 to 0.9.0.
- [Commits](nagisa/rust_libloading@0.8.9...0.9.0)

---
updated-dependencies:
- dependency-name: libloading
  dependency-version: 0.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

rust/Cargo.lock

@@ -39,7 +39,7 @@ adbc_core.workspace = true
 adbc_ffi.workspace = true
 arrow-array.workspace = true
 arrow-schema.workspace = true
-libloading = "0.8"
+libloading = "0.9"
 toml = { version = "0.9.8", default-features = false, features = [
     "parse",
     "display",