build(deps): bump llama-cpp-2 from 0.1.135 to 0.1.138

Bumps [llama-cpp-2](https://github.com/utilityai/llama-cpp-rs) from 0.1.135 to 0.1.138.
- [Release notes](https://github.com/utilityai/llama-cpp-rs/releases)
- [Commits](utilityai/llama-cpp-rs@0.1.135...0.1.138)

---
updated-dependencies:
- dependency-name: llama-cpp-2
  dependency-version: 0.1.138
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Cargo.lock

@@ -36,7 +36,7 @@ tracing-subscriber.workspace = true
 notify.workspace = true
 minijinja = { version = "2.18.0", features = ["builtins", "json"] }
 minijinja-contrib = { version = "2.16.0", features = ["pycompat"] }
-llama-cpp-2 = "=0.1.135"
+llama-cpp-2 = "=0.1.138"
 
 [dev-dependencies]
 tempfile = { workspace = true, features = [] }