[gnome-runtime-images] Fix FQDN image name for x86_64

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit b6b873bee4ed55639650dc6371a3487372215f91
Author: Bartłomiej Piotrowski <b bpiotrowski pl>
Date:   Tue Jul 26 18:49:47 2022 +0200

    Fix FQDN image name for x86_64

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 80773d8..68eaa40 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -68,7 +68,7 @@ base:
     stage: base
     extends: ['.dockerfile_template', '.vars_x86_64']
     variables:
-        DOCKERIMAGE: ${CI_REGISTRY_IMAGE}/${ARCH}-base
+        DOCKERIMAGE: ${CI_REGISTRY_IMAGE}:${ARCH}-base
         DOCKERFILE: Dockerfile
 
 base:aarch64: