fix(deps): update dependency openai to v1.59.8

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
openai	==1.59.7 -> ==1.59.8

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Release Notes

openai/openai-python (openai)

v1.59.8

Compare Source

Full Changelog: v1.59.7...v1.59.8

Bug Fixes

• streaming (c16f58e)
• structured outputs: avoid parsing empty empty content (#​2023) (6d3513c)
• structured outputs: correct schema coercion for inline ref expansion (#​2025) (2f4f0b3)
• types: correct type for vector store chunking strategy (#​2017) (e389279)

Chores

• examples: update realtime model (f26746c), closes #​2020
• internal: bump pyright dependency (#​2021) (0a9a0f5)
• internal: streaming refactors (#​2012) (d76a748)
• internal: update deps (#​2015) (514e0e4)

Documentation

• examples/azure: example script with realtime API (#​1967) (84f2f9c)

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