fix: typo await when run getAvailableVersion

[caohuilin]

Summary

🤖 Generated by Copilot at 2c6c821

Fixed a bug in getModernPluginVersion by awaiting getAvailableVersion in packages/generator/generator-utils/src/index.ts. This ensures that the correct plugin version is returned for each package.

Details

🤖 Generated by Copilot at 2c6c821

• Fix bug in getModernPluginVersion function by awaiting getAvailableVersion promise (link)

Related Issue

Checklist

• I have added changeset via pnpm run change.
• I have updated the documentation.
• I have added tests to cover my changes.

[changeset-bot]

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Latest commit: 649f5a2

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