chore(ci): add ignored files for lint pipeline

Changes to .gitreview or renovate.json shouldn't trigger the lint
pipeline.

Change-Id: I1771f3cc767bd928b8fe720f89117ca89d14ee68
diff --git a/.zuul.yaml b/.zuul.yaml
index ed7cd8e..105edcc 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -19,7 +19,9 @@
       - ".github/.*"
       - "docs/.*"
       - ".*/?OWNERS"
+      - ".gitreview"
       - "README.md"
+      - "renovate.json"
       - "cws/.*"
       - "roles/cws-publish/*"
       - "roles/fetch-cws-log/*"