Python: Updated package versions

[dmytrostruk]

No description provided.

[markwallace-microsoft]

Python Test Coverage Report •

File	Stmts	Miss	Cover	Missing
TOTAL	16283	2546	84%

report-only-changed-files is enabled. No files were changed during this commit :)

Python Unit Test Overview

Tests	Skipped	Failures	Errors	Time
2324	130 💤	0 ❌	0 🔥	57.589s ⏱️

[Copilot]

Pull request overview

This PR updates all Python package versions from 1.0.0b251204 to 1.0.0b251209, reflecting a new beta release dated December 9, 2025. The update includes new features, breaking changes, and bug fixes across multiple packages.

Key Changes

• Version bumped to 1.0.0b251209 across all Python packages and lock file
• Added CHANGELOG entry documenting new features (autonomous handoff flow, WorkflowBuilder registry, A2A timeout support), breaking changes (Azure AI credential rename), and multiple bug fixes
• Updated dependency reference in main pyproject.toml to use new version

Reviewed changes

Copilot reviewed 17 out of 18 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
python/uv.lock	Updated version references for all agent-framework packages in the lock file
python/pyproject.toml	Updated main package version and core dependency version reference
python/packages/redis/pyproject.toml	Updated redis package version
python/packages/purview/pyproject.toml	Updated purview package version
python/packages/mem0/pyproject.toml	Updated mem0 package version
python/packages/lab/pyproject.toml	Updated lab package version
python/packages/devui/pyproject.toml	Updated devui package version
python/packages/declarative/pyproject.toml	Updated declarative package version
python/packages/core/pyproject.toml	Updated core package version
python/packages/copilotstudio/pyproject.toml	Updated copilotstudio package version
python/packages/chatkit/pyproject.toml	Updated chatkit package version
python/packages/azurefunctions/pyproject.toml	Updated azurefunctions package version
python/packages/azure-ai/pyproject.toml	Updated azure-ai package version
python/packages/azure-ai-search/pyproject.toml	Updated azure-ai-search package version
python/packages/anthropic/pyproject.toml	Updated anthropic package version
python/packages/ag-ui/pyproject.toml	Updated ag-ui package version
python/packages/a2a/pyproject.toml	Updated a2a package version
python/CHANGELOG.md	Added version 1.0.0b251209 release notes with features, changes, and fixes