deps(deps): bump the dependency-updates group across 1 directory with 5 updates

Bumps the dependency-updates group with 5 updates in the / directory:

| Package | From | To |
| --- | --- | --- |
| [litellm](https://github.com/BerriAI/litellm) | `1.89.4` | `1.91.1` |
| [google-auth](https://github.com/googleapis/google-cloud-python) | `2.55.1` | `2.55.2` |
| [hypothesis](https://github.com/HypothesisWorks/hypothesis) | `6.155.7` | `6.156.4` |
| [ruff](https://github.com/astral-sh/ruff) | `0.15.20` | `0.15.21` |
| [import-linter](https://github.com/seddonym/import-linter) | `2.12` | `2.13` |



Updates `litellm` from 1.89.4 to 1.91.1
- [Release notes](https://github.com/BerriAI/litellm/releases)
- [Commits](BerriAI/litellm@v1.89.4...v1.91.1)

Updates `google-auth` from 2.55.1 to 2.55.2
- [Release notes](https://github.com/googleapis/google-cloud-python/releases)
- [Changelog](https://github.com/googleapis/google-cloud-python/blob/main/packages/google-cloud-documentai/CHANGELOG.md)
- [Commits](googleapis/google-cloud-python@google-auth-v2.55.1...google-auth-v2.55.2)

Updates `hypothesis` from 6.155.7 to 6.156.4
- [Release notes](https://github.com/HypothesisWorks/hypothesis/releases)
- [Commits](HypothesisWorks/hypothesis@v6.155.7...v6.156.4)

Updates `ruff` from 0.15.20 to 0.15.21
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.15.20...0.15.21)

Updates `import-linter` from 2.12 to 2.13
- [Changelog](https://github.com/seddonym/import-linter/blob/main/docs/release_notes.md)
- [Commits](seddonym/import-linter@v2.12...v2.13)

---
updated-dependencies:
- dependency-name: litellm
  dependency-version: 1.91.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependency-updates
- dependency-name: google-auth
  dependency-version: 2.55.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependency-updates
- dependency-name: hypothesis
  dependency-version: 6.156.4
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependency-updates
- dependency-name: ruff
  dependency-version: 0.15.21
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependency-updates
- dependency-name: import-linter
  dependency-version: '2.13'
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependency-updates
...

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

Author: dependabot[bot]

pyproject.toml

@@ -29,7 +29,7 @@ classifiers = [
 ]
 keywords = ["llm", "ai", "tournament", "evaluation", "decision-making", "litellm"]
 dependencies = [
-    "litellm>=1.89.4,<1.90.0",
+    "litellm>=1.91.1,<1.92.0",
     "pyyaml~=6.0",
     "colorama~=0.4.6",
     "httpx~=0.28.1",
@@ -48,14 +48,14 @@ dev = [
     "pytest-asyncio~=1.4",
     "pytest-cov~=7.0",
     "pytest-xdist~=3.0",
-    "hypothesis~=6.155",
+    "hypothesis~=6.156",
     "coverage[toml]~=7.14",
-    "ruff>=0.15.20,<1.0",
+    "ruff>=0.15.21,<1.0",
     "pyright>=1.1.411",
     "pre-commit~=4.5",
     "mutmut~=3.6",
     "radon~=6.0",
-    "import-linter~=2.12",
+    "import-linter~=2.13",
     "deptry>=0.23,<1.0",
 ]
 gui = [