Update prek requirement from >=0.3.5 to >=0.3.9

Updates the requirements on [prek](https://github.com/j178/prek) to permit the latest version.
- [Release notes](https://github.com/j178/prek/releases)
- [Changelog](https://github.com/j178/prek/blob/master/CHANGELOG.md)
- [Commits](j178/prek@v0.3.5...v0.3.9)

---
updated-dependencies:
- dependency-name: prek
  dependency-version: 0.3.9
  dependency-type: direct:development
...

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

Author: dependabot[bot]

pyproject.toml

@@ -13,7 +13,7 @@ dev = [
      "clangd~=22.0",
      "clangd-tidy~=1.1",
      "cmakelang~=0.6",
-     "prek>=0.3.5",
+     "prek>=0.3.9",
      "pyyaml~=6.0",
      "ruff~=0.15",
      "sphinx-lint~=1.0",