Split out the Docker and Quay build triggers into their own step.

That way, those builds can trigger ASAP, instead of waiting for
the Debian packages to build.

.travis.yml

@@ -72,16 +72,23 @@ jobs:
           script: go run scripts/prune_old_versions/main.go -user=danderson -repo=pixiecore -distro=debian -version=stretch -package=pixiecore -arch=armhf -limit=2
           on:
             branch: master
+    - stage: deploy
+      go: 1.8
+      script: true
+      deploy:
         - provider: script
           script: go run scripts/trigger_quay_build/main.go
           on:
             branch: master
+    - stage: deploy
+      go: 1.8
+      script: true
+      deploy:
         - provider: script
           script: go run scripts/trigger_docker_build/main.go
           on:
             branch: master
 
-
 env:
   matrix:
     - MY_GOARCH=amd64