ci: update websockets requirement from <16.0.0,>=15.0.0 to >=15.0.0,<17.0.0

[dependabot]

Updates the requirements on websockets to permit the latest version.

Release notes

Sourced from websockets's releases.

16.0

See https://websockets.readthedocs.io/en/stable/project/changelog.html for details.

Commits

• d4303a5 Release version 16.0.
• 851bcd7 Bump pypa/cibuildwheel from 3.3.0 to 3.3.1
• 740c8d3 Temporarily remove the trio implementation.
• 92ea055 Add missing changelog entry.
• ba74244 Document bug fix.
• 9410483 Pin sphinx to avoid error in sphinxcontrib-trio.
• 8e4d408 Document asyncio's TLS read buffer.
• cb3500b Stop referring to the asyncio implementation as new.
• 6563a9c The threading implementation supports max_queue.
• 9f17e92 Clarify that protocol_mutex protects pending_pings.
• Additional commits viewable in compare view

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[strands-agent]

✅ Ready for Merge!

This PR is ready to be merged:

Check	Status
Approval	✅ Approved by @cagataycali
Unit Tests	✅ All passing (Python 3.10-3.13, Linux/Windows/macOS)
Lint	✅ Passed
check-api	✅ Passed
Authorization	✅ Passed

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Summary

This updates the websockets dependency from <16.0.0 to <17.0.0, enabling websockets v16.0. The update includes:

• Support for asyncio's TLS read buffer improvements
• Threading implementation now supports max_queue
• Various internal improvements and bug fixes

@maintainers - This is a safe dependency bump that's been tested and approved. Ready to merge! 🚀

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