ci: fix node_modules stage for PR builds (#277081)

build/azure-pipelines/linux/product-build-linux-node-modules.yml

@@ -116,6 +116,10 @@ jobs:
 
           source ./build/azure-pipelines/linux/setup-env.sh
 
+          # Run preinstall script before root dependencies are installed
+          # so that v8 headers are patched correctly for native modules.
+          node build/npm/preinstall.js
+
           for i in {1..5}; do # try 5 times
             npm ci && break
             if [ $i -eq 5 ]; then