Switch to ensure-nodejs

This got changed in the upstream zuul-jobs repo and we missed the
deprecation period.

Bug: Issue 12748
Change-Id: I238adca7a1b5414e7a9bc84bece3551dacbfd926
diff --git a/playbooks/gerrit-setup/pre.yaml b/playbooks/gerrit-setup/pre.yaml
index 71553d0..2e83666 100644
--- a/playbooks/gerrit-setup/pre.yaml
+++ b/playbooks/gerrit-setup/pre.yaml
@@ -3,7 +3,7 @@
   roles:
     - ensure-bazelisk
     - ensure-java
-    - role: install-nodejs
+    - role: ensure-nodejs
       node_version: 10
     - install-build-essential
     - prepare-gerrit-repos