chore: release v1.0.0a12

[all-hands-bot]

Release v1.0.0a12

This PR bumps the version from 1.0.0a11 to 1.0.0a12.

Changes

• Updated pyproject.toml version to 1.0.0a12
• Regenerated uv.lock

After Merging

Once this PR is merged, create and push the release tag:

git checkout main
git pull origin main
git tag 1.0.0a12
git push origin 1.0.0a12

This will trigger:

• pypi-release.yml — publishes openhands-automation to PyPI
• tag-image.yml — tags the Docker image with 1.0.0a12

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This PR was automatically created by the Prepare Release workflow.

[github-actions]

[tofarr]

LGTM — version bump to 1.0.0a12.