Update package readme's for 0.6.0 and 0.6.1 release notes

[Copilot]

Each package readme needs release notes entries for versions 0.6.0 and 0.6.1 with deeplinks to the changelog.

Changes

• 8 existing packages: Added 0.6.1 (2025-12-01) and 0.6.0 (2025-11-18) rows to release notes tables
• microsoft-agents-hosting-fastapi: Added complete release notes section (new package in 0.6.0)
• Updated 0.5.0 links to use specific anchors for consistency

All 9 packages now include deeplinks to their respective changelog sections:

changelog.md#microsoft-365-agents-sdk-for-python---release-notes-v061
changelog.md#microsoft-365-agents-sdk-for-python---release-notes-v060

Original prompt

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This section details on the original issue you should resolve

<issue_title>Update package readme's for new release notes and versions</issue_title>
<issue_description># Background Info
Each of the 9 packages in this repo have a readme.me that describes them. For example, the "Microsoft-agents-activity" package has a readme found here: https://github.com/microsoft/Agents-for-python/blob/main/libraries/microsoft-agents-activity/readme.md

Each of those readme's has a release notes section, as seen here:
https://github.com/microsoft/Agents-for-python/blob/main/libraries/microsoft-agents-activity/readme.md#release-notes

The 0.6.0 release notes deep link is:
https://github.com/microsoft/Agents-for-python/blob/main/changelog.md#microsoft-365-agents-sdk-for-python---release-notes-v060

The 0.6.1 release notes deep link is:
https://github.com/microsoft/Agents-for-python/blob/main/changelog.md#microsoft-365-agents-sdk-for-python---release-notes-v061

Task

Update the release notes table in each readme to include details of the 0.6.0 and 0.6.1 release. Make sure to include a deeplink to the changelog file that links to the relevant version. The Changelog file is here:
https://github.com/microsoft/Agents-for-python/blob/main/changelog.md

</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Update package readme's for new release notes and versions #274

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[Copilot]

Pull request overview

This PR updates the release notes sections in package READMEs for the 0.6.0 and 0.6.1 releases of the Microsoft 365 Agents SDK for Python.

• Added release notes entries for versions 0.6.1 (2025-12-01) and 0.6.0 (2025-11-18) to all package READMEs
• Added complete release notes section to the new microsoft-agents-hosting-fastapi package
• Standardized changelog links to use specific version anchors for consistency

Reviewed changes

Copilot reviewed 9 out of 9 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
libraries/microsoft-agents-storage-cosmos/readme.md	Added 0.6.1 and 0.6.0 release note entries with deeplinks, updated 0.5.0 anchor link
libraries/microsoft-agents-storage-blob/readme.md	Added 0.6.1 and 0.6.0 release note entries with deeplinks, updated 0.5.0 anchor link
libraries/microsoft-agents-hosting-teams/readme.md	Added 0.6.1 and 0.6.0 release note entries with deeplinks, updated 0.5.0 anchor link
libraries/microsoft-agents-hosting-fastapi/readme.md	Added complete release notes section with 0.6.1 and 0.6.0 entries (new package introduced in 0.6.0)
libraries/microsoft-agents-hosting-core/readme.md	Added 0.6.1 and 0.6.0 release note entries with deeplinks, updated 0.5.0 anchor link
libraries/microsoft-agents-hosting-aiohttp/readme.md	Added 0.6.1 and 0.6.0 release note entries with deeplinks, updated 0.5.0 anchor link
libraries/microsoft-agents-copilotstudio-client/readme.md	Added 0.6.1 and 0.6.0 release note entries with deeplinks, updated 0.5.0 anchor link
libraries/microsoft-agents-authentication-msal/readme.md	Added 0.6.1 and 0.6.0 release note entries with deeplinks, updated 0.5.0 anchor link
libraries/microsoft-agents-activity/readme.md	Added 0.6.1 and 0.6.0 release note entries with deeplinks, updated 0.5.0 anchor link

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