install node for integration tests

Author: stantonk

Jenkinsfile

@@ -5,4 +5,9 @@ sproutMultiModuleBuild {
   notifySlackGroupsOnFailure = ['@kevin']
   jdk = 17
   deployRCBranches = true
+  preBuildBashCommands = [
+        'wget -q https://nodejs.org/dist/v18.19.0/node-v18.19.0-linux-x64.tar.xz',
+        'tar -xf node-v18.19.0-linux-x64.tar.xz',
+        'export PATH="$PWD/node-v18.19.0-linux-x64/bin:$PATH"'
+      ]
 }