ci: fix action

.github/workflows/duplicate-issues.yml

@@ -21,7 +21,7 @@ jobs:
 
       - name: Check for duplicate issues
         env:
-          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+          OPENCODE_API_KEY: ${{ secrets.OPENCODE_API_KEY }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           OPENCODE_PERMISSION: |
             {