Skip functional tests for .gitreview

... because the file does not affect actual functionality.

Change-Id: I990a5ff367304a048c7226b7e00ad91b2d60d1d6
diff --git a/.zuul.yaml b/.zuul.yaml
index 858f1d0..0abbd47 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -4,6 +4,7 @@
     description: |
       This job is for testing telemetry components. We test stable branches from wallaby onwards.
     irrelevant-files:
+      - ^\.gitreview$
       - ^(test-|)requirements.txt$
       - ^setup.cfg$
       - ^doc/.*$