v5.28.0

What's Changed

• Added PyPDF package to mypy_path by @jamesbraza in #1036
• Removed trailing whitespace from summary_json_system_prompt by @jamesbraza in #1037
• Allow users to skip citation stripping from evidence by @mskarlin in #1035
• Re-raising original exception in clinical_trials tools by @jamesbraza in #1038
• Fixed test_agent_types after Gemini 1.5 deprecation by @jamesbraza in #1043
• Renamed a few more answer to session by @jamesbraza in #1042
• Move context str generation into configurable function by @mskarlin in #1039
• chore(deps): lock file maintenance by @renovate[bot] in #1045

Full Changelog: v5.27.0...v5.28.0