Use V4/Node.js 20

.github/workflows/firmware_build.yml

@@ -34,7 +34,7 @@ jobs:
           utils/rename_binaries.sh
 
       - name: Upload binaries into build artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           path: ZuluSCSI/distrib/*
           name: ZuluSCSI binaries