[WIP] Fix failing GitHub Actions job for publishing webpack/css-plugins

[Copilot]

• Inspect failing Actions run and collect root cause from job logs
• Locate workflow/config source causing publish authorization failure
• Implement minimal fix for publish job configuration
• Add/adjust focused tests or validation artifacts for the change
• Run targeted validation for changed files
• Run final automated review + security scan and report results

[changeset-bot]

⚠️ No Changeset found

Latest commit: b9c8c3a

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