v0.52.1

Dependency maintenance release.

• Merge all five pending Dependabot updates, including PyArrow 26.0.0, certifi 2026.10.19, Python dependency and typing updates, and setup-uv 10.3.2.
• Update context-manager generator annotations for compatibility with ty 0.0.91.

PR: #73
Full changelog: v0.52.0...v0.52.1