Downgrade Node.js setup action to version 4

Author: cclauss

.github/workflows/build.yml

@@ -44,7 +44,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Set up Node.js runtime
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@4
         with:
           node-version: ${{ env.NODE_VERSION }}