Use dedicated API key secret for public repo Claude workflows (#11123)

Author: tholor

.github/workflows/claude-code-review.yml

@@ -39,7 +39,7 @@ jobs:
         id: claude-review
         uses: anthropics/claude-code-action@5fb899572b81d2bb648d4d187173a2f423a9677c # v1.0.96
         with:
-          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY_PR_REVIEWS }}
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY_PR_REVIEWS_PUBLIC_REPOS }}
           plugin_marketplaces: 'https://github.com/anthropics/claude-code.git'
           plugins: 'code-review@claude-code-plugins'
           prompt: '/code-review:code-review --comment ${{ github.repository }}/pull/${{ github.event.pull_request.number }}'

.github/workflows/claude.yml

@@ -55,6 +55,6 @@ jobs:
         id: claude
         uses: anthropics/claude-code-action@5fb899572b81d2bb648d4d187173a2f423a9677c # v1.0.96
         with:
-          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY_PR_REVIEWS }}
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY_PR_REVIEWS_PUBLIC_REPOS }}
           additional_permissions: |
             actions: read