Update check-plugin-links.yml

Test 5

Author: GarlicRot

.github/workflows/check-plugin-links.yml

@@ -40,7 +40,7 @@ jobs:
       # Step 5: Validate plugin download links
       - name: Validate Download Links
         run: |
-          node <<EOF
+          node <<'EOF'
           const axios = require('axios');
           const fs = require('fs');