chore(main): release 1.1.0 (#1073)

:robot: I have created a release *beep* *boop*
---


##
[1.1.0](https://github.com/a2aproject/a2a-python/compare/v1.0.3...v1.1.0)
(2026-05-29)


### Features

* **server:** restore FastAPI /docs visibility for A2A routes
([#1024](https://github.com/a2aproject/a2a-python/issues/1024))
([1122d4e](https://github.com/a2aproject/a2a-python/commit/1122d4e92e49f6eaadb5dbd94c67352adb13bf44))


### Bug Fixes

* **compat:** remove ListTasks from v0.3 REST adapter
([#1043](https://github.com/a2aproject/a2a-python/issues/1043))
([#1068](https://github.com/a2aproject/a2a-python/issues/1068))
([5c88793](https://github.com/a2aproject/a2a-python/commit/5c8879341a3ee7d14b1875a9131101bf9a234522))
* properly convert metadata to dict in `RequestContext.metadata`
([#1081](https://github.com/a2aproject/a2a-python/issues/1081))
([d2f2e18](https://github.com/a2aproject/a2a-python/commit/d2f2e18702dd6940ecec020cddd76161174574c1))
* raise on append=True for unknown artifact_id
([#1038](https://github.com/a2aproject/a2a-python/issues/1038))
([#1077](https://github.com/a2aproject/a2a-python/issues/1077))
([fe1f24b](https://github.com/a2aproject/a2a-python/commit/fe1f24b3de8b7ca7941bde35c9eb4a423fda72c0))
* release reference count on non-terminal exit to prevent stale registry
entries ([#1079](https://github.com/a2aproject/a2a-python/issues/1079))
([501255c](https://github.com/a2aproject/a2a-python/commit/501255c467c998867de92e9928ee64d0d2cf9145))
* **server:** preserve non-ASCII characters in streaming JSON responses
([#1080](https://github.com/a2aproject/a2a-python/issues/1080))
([d46c6f9](https://github.com/a2aproject/a2a-python/commit/d46c6f94bd26c898f6092e0ec97c2a19cbaa2853))
* **telemetry:** don't mark QueueShutDown as an error span
([#1075](https://github.com/a2aproject/a2a-python/issues/1075))
([54a485c](https://github.com/a2aproject/a2a-python/commit/54a485ccb709f5caab2e477f1c44acd3bee0a890))


### Documentation

* clarify `EventQueue` usage
([#1066](https://github.com/a2aproject/a2a-python/issues/1066))
([11dd68a](https://github.com/a2aproject/a2a-python/commit/11dd68ad4745fc320470e81e4b7029ccdbf6fc84))


### Miscellaneous Chores

* release 1.1.0
([#1088](https://github.com/a2aproject/a2a-python/issues/1088))
([3058a33](https://github.com/a2aproject/a2a-python/commit/3058a33eb98b7c06b79ee3ce599e9e58f2b744bd))

---
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Please](https://github.com/googleapis/release-please). See
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