Fix registry dependency for container jobs (#1152)

diff --git a/zuul.d/container-images/octavia.yaml b/zuul.d/container-images/octavia.yaml
index e8555a3..d7c74ac 100644
--- a/zuul.d/container-images/octavia.yaml
+++ b/zuul.d/container-images/octavia.yaml
@@ -27,6 +27,8 @@
     name: atmosphere-build-container-image-octavia
     parent: atmosphere-build-container-image
     dependencies:
+      - name: atmosphere-buildset-registry
+        soft: false
       - name: atmosphere-build-container-image-ubuntu
         soft: true
       - name: atmosphere-build-container-image-ubuntu-cloud-archive
@@ -62,6 +64,8 @@
     name: atmosphere-upload-container-image-octavia
     parent: atmosphere-upload-container-image
     dependencies:
+      - name: atmosphere-buildset-registry
+        soft: false
       - name: atmosphere-upload-container-image-ubuntu
         soft: true
       - name: atmosphere-upload-container-image-ubuntu-cloud-archive