[tracker-miners/sam/website] .gitlab-ci.yml: Use prebuilt container image

[Sam Thursfield <sthursfield src gnome org>]

commit fdc028ba4c46f18bcccaf9f7be4fa4fda936b8b0
Author: Sam Thursfield <sam afuera me uk>
Date:   Sat Mar 28 17:50:40 2020 +0100

    .gitlab-ci.yml: Use prebuilt container image

 .gitlab-ci.yml | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 46d41c5d2..f328529bc 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -86,6 +86,7 @@ coverity:
 
 pages:
   stage: website
+  image: registry.gitlab.gnome.org/gnome/tracker-oci-images/amd64/fedora:latest
   before_script:
     - pip3 install mkdocs mkdocs-cinder
   script: