Python: Bump versions for a release. Update CHANGELOG

[Evan Mattson (moonbox3)]

Motivation and Context

Bump Python versions to:

• 1.1.0 for 1.X.X packages
• 1.0.0b260421 for beta packages
• 1.0.0a260421 for alpha packages

Description

Bump package versions

Contribution Checklist

• The code builds clean without any errors or warnings
• The PR follows the Contribution Guidelines
• All unit tests pass, and I have added new tests where possible
• Is this a breaking change? If yes, add "[BREAKING]" prefix to the title of the PR.

[Evan Mattson (moonbox3)]

Python Test Coverage Report •

File	Stmts	Miss	Cover	Missing
TOTAL	28982	3476	88%

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

Python Unit Test Overview

Tests	Skipped	Failures	Errors	Time
5752	30 💤	0 ❌	0 🔥	1m 30s ⏱️

[Copilot]

Pull request overview

This PR prepares the Python side of the Agent Framework repo for a release by bumping package versions (stable, beta, and alpha tracks) and updating the Python changelog to include the new release notes and comparison links.

Changes:

• Bump stable Python packages to 1.1.0 and update dependent constraints accordingly.
• Bump beta/alpha integration packages to 1.0.0b260421 / 1.0.0a260421.
• Add a 1.1.0 section to python/CHANGELOG.md and update compare links.

Reviewed changes

Copilot reviewed 29 out of 30 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
python/uv.lock	Updates locked package versions for the release.
python/pyproject.toml	Bumps the root Python package version and pins agent-framework-core to 1.1.0.
python/packages/a2a/pyproject.toml	Bumps beta version and updates core dependency floor to 1.1.0.
python/packages/ag-ui/pyproject.toml	Bumps beta version and updates core dependency floor to 1.1.0.
python/packages/anthropic/pyproject.toml	Bumps beta version and updates core dependency floor to 1.1.0.
python/packages/azure-ai-search/pyproject.toml	Bumps beta version and updates core dependency floor to 1.1.0.
python/packages/azure-cosmos/pyproject.toml	Bumps beta version and updates core dependency floor to 1.1.0.
python/packages/azurefunctions/pyproject.toml	Bumps beta version and updates core dependency floor to 1.1.0.
python/packages/bedrock/pyproject.toml	Bumps beta version and updates core dependency floor to 1.1.0.
python/packages/chatkit/pyproject.toml	Bumps beta version and updates core dependency floor to 1.1.0.
python/packages/claude/pyproject.toml	Bumps beta version and updates core dependency floor to 1.1.0.
python/packages/copilotstudio/pyproject.toml	Bumps beta version and updates core dependency floor to 1.1.0.
python/packages/core/pyproject.toml	Bumps core package to 1.1.0.
python/packages/declarative/pyproject.toml	Bumps beta version and updates core dependency floor to 1.1.0.
python/packages/devui/pyproject.toml	Updates core dependency floor to 1.1.0 (but versioning needs alignment with release intent).
python/packages/durabletask/pyproject.toml	Bumps beta version and updates core dependency floor to 1.1.0.
python/packages/foundry/pyproject.toml	Bumps stable version to 1.1.0 and aligns core/openai dependency floors.
python/packages/foundry_hosting/pyproject.toml	Bumps alpha version and updates core dependency floor to 1.1.0.
python/packages/foundry_local/pyproject.toml	Bumps beta version and aligns core/openai dependency floors.
python/packages/gemini/pyproject.toml	Bumps alpha version and updates core dependency floor to 1.1.0.
python/packages/github_copilot/pyproject.toml	Bumps beta version and updates core dependency floor to 1.1.0.
python/packages/hyperlight/pyproject.toml	Bumps alpha version and updates core dependency floor to 1.1.0.
python/packages/lab/pyproject.toml	Bumps beta version and updates core dependency floor to 1.1.0.
python/packages/mem0/pyproject.toml	Bumps beta version and updates core dependency floor to 1.1.0.
python/packages/ollama/pyproject.toml	Bumps beta version and updates core dependency floor to 1.1.0.
python/packages/openai/pyproject.toml	Bumps stable version to 1.1.0 and aligns core dependency floor.
python/packages/orchestrations/pyproject.toml	Bumps beta version and updates core dependency floor to 1.1.0.
python/packages/purview/pyproject.toml	Bumps beta version and updates core dependency floor to 1.1.0.
python/packages/redis/pyproject.toml	Bumps beta version and updates core dependency floor to 1.1.0.
python/CHANGELOG.md	Adds 1.1.0 release notes and updates compare links.