eca93a26f9
Merge https://github.com/google/adk-python/pull/6640 Syncs version bump and CHANGELOG from release v2.6.3 to main. COPYBARA_INTEGRATE_REVIEW=https://github.com/google/adk-python/pull/6640 from google:release/v2.6.3 a654b1dc4463968daa6107b86b0f15285dd574d3 PiperOrigin-RevId: 961145588