release: 2.53.0 (#3575)

Automated Release PR
---


##
[2.53.0](https://github.com/openai/openai-python/compare/v2.52.1...v2.53.0)
(2026-08-03)


### Features

* **api:** Add gpt-5.5 and tool name/namespace to Responses types
([#3569](https://github.com/openai/openai-python/issues/3569))
([dd1202d](https://github.com/openai/openai-python/commit/dd1202d5dacff985861289c1d9c46996ded2d2a5))


### Bug Fixes

* **ci:** avoid NumPy source builds and duplicate HTTPX coverage
([#3573](https://github.com/openai/openai-python/issues/3573))
([b58332f](https://github.com/openai/openai-python/commit/b58332f8a0717f7b1effb1788a594011cee6e02f))

---
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Co-authored-by: Justin Beckwith <jbeckwith@openai.com>