GitHub workflows already compliant with OpenSSF Scorecard Token-Permissions requirements

[Copilot]

Summary

After comprehensive analysis of all GitHub workflow files in the repository, I've confirmed that the OpenTelemetry JS project is already fully compliant with OpenSSF Scorecard Token-Permissions requirements. No changes were needed.

Analysis Results

All 16 GitHub workflow files have proper minimum token permissions implemented:

✅ Root-Level Permissions Compliance

• 15 workflows use permissions: { contents: read } (recommended minimal permissions)
• 1 workflow uses permissions: read-all (sbom.yml - also acceptable)
• 0 workflows missing root-level permissions

✅ Job-Level Permissions Compliance

Properly configured job-level permissions where needed:

• benchmark.yml: contents: write (for pushing benchmark results to gh-pages)
• close-stale.yml: issues: write + pull-requests: write (for closing stale issues/PRs)
• codeql-analysis.yml: security-events: write (for CodeQL analysis)
• docs.yaml: contents: write (for deploying documentation)
• ossf-scorecard.yml: security-events: write + id-token: write (for OSSF scorecard)
• publish-to-npm.yml: id-token: write (for NPM provenance)
• sbom.yml: contents: write (for adding release artifacts)
• survey-on-merged-pr.yml: contents: write + pull-requests: write (for PR surveys)

✅ Security Best Practices Confirmed

• All write permissions include explanatory comments
• No excessive permissions detected
• Proper use of secrets.GITHUB_TOKEN vs custom tokens
• Appropriate permissions for each workflow's purpose

Verification Process

Created and ran a comprehensive verification script based on the OpenSSF Scorecard Token-Permissions check that analyzed all workflow files and confirmed 100% compliance:

• Total files checked: 16
• ✅ Passed: 16
• ⚠️ Warnings: 0
• ❌ Errors: 0

The repository already follows security best practices and meets all OpenSSF Scorecard recommendations for GitHub Actions token permissions.

Fixes #34.

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