Switch to using publish-openstack-sphinx-docs-infra

It's the new name. The other thing is the old name.

Change-Id: I6ea876ffac288b79c34061f2353e26ecc1dc8bca
diff --git a/.zuul.yaml b/.zuul.yaml
index 2eadd4f..a997b05 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -77,5 +77,5 @@
         - zuul-stream-functional
     post:
       jobs:
-        - publish-openstack-python-docs-infra
+        - publish-openstack-sphinx-docs-infra
         - publish-openstack-python-branch-tarball