chore(main): release 0.2.12

Author: release-please[bot]

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.2.12](https://github.com/a2aproject/a2a-python/compare/v0.2.11...v0.2.12) (2025-07-08)
+
+
+### Bug Fixes
+
+* add proper a2a request body documentation to Swagger UI ([#276](https://github.com/a2aproject/a2a-python/issues/276)) ([4343be9](https://github.com/a2aproject/a2a-python/commit/4343be99ad0df5eb6908867b71d55b1f7d0fafc6)), closes [#274](https://github.com/a2aproject/a2a-python/issues/274)
+
 ## [0.2.11](https://github.com/a2aproject/a2a-python/compare/v0.2.10...v0.2.11) (2025-07-07)