chore(build): try to reduce parallel builds (#3443)

package.json

@@ -25,7 +25,7 @@
     "cli": "node ./platform/cli/src/index.js",
     "build:ui:deploy-preview": "lerna run build:ui:deploy-preview --stream",
     "build:demo": "lerna run build:viewer:demo --stream",
-    "build:package-all": "lerna run build:package --parallel --stream",
+    "build:package-all": "lerna run build:package --stream",
     "dev": "lerna run dev:viewer --stream",
     "dev:project": ".scripts/dev.sh",
     "dev:orthanc": "lerna run dev:orthanc --stream",