chore: add version constraint for griffe dependency

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: vdusek

pyproject.toml

@@ -48,7 +48,7 @@ dev = [
     "black>=24.3.0",
     "datamodel-code-generator[http,ruff]<1.0.0",
     "dycw-pytest-only<3.0.0",
-    "griffe",
+    "griffe<3.0.0",
     "poethepoet<1.0.0",
     "pre-commit<5.0.0",
     "pydoc-markdown<5.0.0",