Increase deployment test fixture timeout

Recent test runs indicate that the pod in this deployment fixture may be
coming up right at the edge of its 10 second timeout. Increase the
timeout to try and prevent flakes.

Author: ironcladlou

test/integration/fixtures/test-deployment-config.yaml

@@ -9,7 +9,7 @@ spec:
   strategy:
     type: Recreate
     recreateParams:
-      timeoutSeconds: 10
+      timeoutSeconds: 20
       post:
         failurePolicy: Ignore
         tagImages: