chore: update ty minimum version to 0.0.29

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: John-Lin

pyproject.toml

@@ -21,7 +21,7 @@ build-backend = "hatchling.build"
 
 [dependency-groups]
 dev = [
-    "ty>=0.0.18",
+    "ty>=0.0.29",
     "pytest>=8.3.3",
     "pytest-cov>=6.0.0",
     "ruff>=0.7.3",