chore(uv): update jaxtyping requirement from >=0.3.6 to >=0.3.9

Updates the requirements on [jaxtyping](https://github.com/patrick-kidger/jaxtyping) to permit the latest version.
- [Release notes](https://github.com/patrick-kidger/jaxtyping/releases)
- [Commits](patrick-kidger/jaxtyping@v0.3.6...v0.3.9)

---
updated-dependencies:
- dependency-name: jaxtyping
  dependency-version: 0.3.9
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pyproject.toml

@@ -13,7 +13,7 @@ license = { file = "LICENSE" }
 dependencies = [
     "beartype>=0.22.9",
     "google-cloud-logging>=3.15.0",
-    "jaxtyping>=0.3.6",
+    "jaxtyping>=0.3.9",
     "pydantic>=2.12.5",
     "pydantic-settings>=2.12.0",
 ]