v0.1.1

ci: use npm Trusted Publishing (OIDC) for release workflow

- Add id-token: write permission for OIDC token generation
- Remove NPM_TOKEN secret from publish steps
- Add --provenance flag to both npm publish commands

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via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>