[gnome-runtime-images] Add privileged tag

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit 42787a773f64c439bc4912bd6937e7204c57a51f
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Wed Feb 19 16:22:06 2020 +0100

    Add privileged tag

 .gitlab-ci.yml | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 841c537..8fb4f77 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -12,6 +12,8 @@ stages:
 # Expects ${DOCKERIMAGE} which should be the name+tag of the registry image.
 # Expects ${DOCKERFILE} variable which should be the path to the Dockerfile.
 .build_template:
+    tags:
+        - privileged
     script:
         # For debugging
         - echo ${DOCKERFILE} / ${DOCKERIMAGE}