chore(main): release 0.3.1 (#382)

🤖 I have created a release *beep* *boop*
---


##
[0.3.1](v0.3.0...v0.3.1)
(2025-08-13)


### Features

* Add agent card as a route in rest adapter
([ba93053](ba93053))


### Bug Fixes

* gracefully handle task exceptions in event consumer
([#383](#383))
([2508a9b](2508a9b))
* openapi working in sub-app
([#324](#324))
([dec4b48](dec4b48))
* Pass `message_length` param in `get_task()`
([#384](#384))
([b6796b9](b6796b9))
* relax protobuf dependency version requirement
([#381](#381))
([0f55f55](0f55f55))
* Use HasField for simple message retrieval for grpc transport
([#380](#380))
([3032aa6](3032aa6))

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).

---------

Co-authored-by: Holt Skinner <[email protected]>

Author: a2a-bot

CHANGELOG.md

@@ -1,5 +1,21 @@
 # Changelog
 
+## [0.3.1](https://github.com/a2aproject/a2a-python/compare/v0.3.0...v0.3.1) (2025-08-13)
+
+
+### Features
+
+* Add agent card as a route in rest adapter ([ba93053](https://github.com/a2aproject/a2a-python/commit/ba93053850a767a8959bc634883008fcc1366e09))
+
+
+### Bug Fixes
+
+* gracefully handle task exceptions in event consumer ([#383](https://github.com/a2aproject/a2a-python/issues/383)) ([2508a9b](https://github.com/a2aproject/a2a-python/commit/2508a9b8ec1a1bfdc61e9012b7d68b33082b3981))
+* openapi working in sub-app ([#324](https://github.com/a2aproject/a2a-python/issues/324)) ([dec4b48](https://github.com/a2aproject/a2a-python/commit/dec4b487514db6cbb25f0c6fa7e1275a1ab0ba71))
+* Pass `message_length` param in `get_task()` ([#384](https://github.com/a2aproject/a2a-python/issues/384)) ([b6796b9](https://github.com/a2aproject/a2a-python/commit/b6796b9e1432ef8499eff454f869edf4427fd704))
+* relax protobuf dependency version requirement ([#381](https://github.com/a2aproject/a2a-python/issues/381)) ([0f55f55](https://github.com/a2aproject/a2a-python/commit/0f55f554ba9f6bf53fa3d9a91f66939f36e1ef2e))
+* Use HasField for simple message retrieval for grpc transport ([#380](https://github.com/a2aproject/a2a-python/issues/380)) ([3032aa6](https://github.com/a2aproject/a2a-python/commit/3032aa660f6f3b72dc7dd8b49b0e2f4d432c7a22))
+
 ## [0.3.0](https://github.com/a2aproject/a2a-python/compare/v0.2.16...v0.3.0) (2025-07-31)