Verify status exit 0 on failure

Verify status is not required, so let's not fail if we cannot update
this. Currently cannot use this due to plugin not installed.

Change-Id: I807b8adb5806de464aa9e5c2b0227ab192e811f3
Signed-off-by: Dean Birch <dean.birch@arm.com>
diff --git a/jenkins/verify.py b/jenkins/verify.py
index 11c8eed..191dfd2 100755
--- a/jenkins/verify.py
+++ b/jenkins/verify.py
@@ -29,7 +29,7 @@
         request = requests.get(plugin_url, auth=auth, headers=headers)
     except requests.exceptions.RequestException as exception:
         print("Error checking plugins: {}".format(str(exception)), file=sys.stderr)
-        sys.exit(1)
+        sys.exit(0)
     if request.status_code != 200:
         print("Could not check if verify-status plugin is installed")
         return
@@ -69,7 +69,7 @@
     except requests.exceptions.RequestException as exception:
         print("Error posting to verify-status:", file=sys.stderr)
         print(str(exception), file=sys.stderr)
-        sys.exit(1)
+        sys.exit(0)
     if post.status_code == 204:
         print("Gerrit verify-status posted successfully.")
     else:
@@ -78,7 +78,7 @@
             file=sys.stderr,
         )
         print(post.text, file=sys.stderr)
-        sys.exit(1)
+        sys.exit(0)
 
 
 if __name__ == "__main__":