This adds a new daily job to mirror haproxy to our quay.io hosted
opendevmirror set of images. We'll be able to use this to update the
location we pull haproxy from for zuul and gitea once the image is
mirrored.
Change-Id: Iba17aacdfbfede00ac09aea7c57325a09c7da9f2
66aea07548