[tracker-oci-images/sam/privileged] Require runners with the 'privileged' tag

[Sam Thursfield <sthursfield src gnome org>]

commit d26adae769f8dcb9bdc281be8834d38f28a3cc87
Author: Sam Thursfield <sam afuera me uk>
Date:   Tue Mar 3 22:48:14 2020 +0100

    Require runners with the 'privileged' tag
    
    See https://mail.gnome.org/archives/desktop-devel-list/2020-March/msg00002.html

 .gitlab-ci.yml | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e938e30..5e19959 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -11,6 +11,7 @@ variables:
 # Expects $DOCKERFILE variable which should be the path to the dockerfile
 # Expects $CONTEXT_DIR variable which should be the name of the parrent folder of the dockerfile
 .base:
+  tags: [ privileged ]
   script:
     - dnf install -y buildah podman
     - buildah login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY