chore(main): release server-sdk 1.20.0

[openfeaturebot]

🤖 I have created a release beep boop

1.20.0 (2025-10-21)

✨ New Features

• Migrate MultiProvider from js-sdk-contrib (#1234) (8686dbf)

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This PR was generated with Release Please. See documentation.

[gemini-code-assist]

Summary of Changes

Hello @openfeaturebot, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request represents an automated release of the OpenFeature server-sdk, bumping its version to 1.20.0. The primary functional update included in this release is the integration of the MultiProvider feature, which was previously housed in the js-sdk-contrib project, enhancing the SDK's capabilities.

Highlights

• Server SDK Release: The server-sdk package has been released as version 1.20.0.
• MultiProvider Migration: The MultiProvider functionality has been migrated from js-sdk-contrib into the server-sdk.

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[gemini-code-assist]

Code Review

This pull request automates the release of server-sdk version 1.20.0. The changes correctly update version numbers in package.json, .release-please-manifest.json, and the README.md badge, and update the CHANGELOG.md. The changes within the provided diffs are correct for an automated release. As a note for a potential follow-up, I noticed that some of the new documentation examples for MultiProvider in packages/server/README.md might be incorrect. The MultiProvider constructor is called with an array of providers (e.g., [providerA, providerB]) on lines 165 and 192, but it seems to expect an array of objects (e.g., [{ provider: providerA }, { provider: providerB }]). Since these lines are not part of the changes in this pull request, I'm mentioning it here for awareness.

[openfeaturebot]

🤖 Release is at https://github.com/open-feature/js-sdk/releases/tag/server-sdk-v1.20.0 🌻