chore(main): release 9.17.0

[github-actions]

🤖 I have created a release beep boop

9.17.0 (2026-08-14)

Features

• Add async big segment store manager and async Redis adapter (#462) (aa492d2)
• Add async event processor (ec7c113)
• Add async event processor (#472) (ec7c113)
• Add async FDv1 polling data source and feature requester (#475) (cca37a8)
• Add async FDv1 streaming and data source status tracking (#464) (4bf7067)
• Add async FDv2 data sources (#485) (5da1515)
• Add async hook, plugin, and flag tracker (#463) (686a70a)
• Add async migration support (#470) (577d51e)
• Add async persistent feature store foundation and Redis adapter (f9c76ee)
• Add AsyncConfig for the async SDK client (#471) (0587a78)
• Add AsyncLDClient with FDv1 data system and public API (#480) (fd041a5)
• Add environment ID support for hooks. (#484) (49e809f)

Bug Fixes

• Return empty prerequisites for a flag that fails to evaluate in all_flags_state (#483) (73e9b07)

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Note

Overview
This PR bumps the package from 9.16.1 to 9.17.0 across pyproject.toml, ldclient/version.py, .release-please-manifest.json, and the provenance example in PROVENANCE.md.

It adds the 9.17.0 section to CHANGELOG.md, documenting the release (2026-08-14): a large async SDK surface (AsyncLDClient, AsyncConfig, async event processor, FDv1/FDv2 data sources, hooks/plugins, migration, persistent stores and Redis adapters, big segments), plus a fix for empty prerequisites when flag evaluation fails in all_flags_state.

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