try to fix CI issue on windows-latest

Author: onemen

.github/workflows/test.yml

@@ -52,7 +52,7 @@ jobs:
       - name: Unit Tests
         run: npm run test:unit
         env:
-          NODE_OPTIONS: ${{ matrix.os == 'windows-latest' && '--dns-result-order=ipv4first' || null }}
+          NODE_OPTIONS: ${{ matrix.os == 'windows-latest' && '--dns-result-order=ipv4first' || '' }}
 
       - name: Setup Bun
         uses: oven-sh/setup-bun@v2