chore(main): release 0.2.16

Author: release-please[bot]

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.2.16](https://github.com/a2aproject/a2a-python/compare/v0.2.15...v0.2.16) (2025-07-21)
+
+
+### Bug Fixes
+
+* client should not specify `taskId` if it doesn't exist ([#264](https://github.com/a2aproject/a2a-python/issues/264)) ([97f1093](https://github.com/a2aproject/a2a-python/commit/97f109326c7fe291c96bb51935ac80e0fab4cf66))
+
 ## [0.2.15](https://github.com/a2aproject/a2a-python/compare/v0.2.14...v0.2.15) (2025-07-21)