[pygobject/barthalion/gnome-runtime-images-quay] Update (or drop) the Docker image used by Flatpak job

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit f6bfaaf9a2121581729eeb30c2b8d9a06d1a796c
Author: Bartłomiej Piotrowski <b bpiotrowski pl>
Date:   Wed Jul 27 12:51:58 2022 +0200

    Update (or drop) the Docker image used by Flatpak job
    
    The gnome-runtime-images have been recently migrated to Quay. This is already reflected in the template.
    
    Please note this MR has been created semi-automatically. If it doesn't make sense, feel free to close it.

 .gitlab-ci.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 024654bd..5148c018 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -101,7 +101,7 @@ old-i386-py3:
 gnome-master:
   allow_failure: true
   stage: build_and_test
-  image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:master
+  image: quay.io/gnome_infrastructure/gnome-runtime-images:gnome-master
   tags:
     - flatpak
   script:
@@ -110,11 +110,11 @@ gnome-master:
 gnome-master-gtk4:
   allow_failure: true
   stage: build_and_test
-  image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:master
+  image: quay.io/gnome_infrastructure/gnome-runtime-images:gnome-master
   tags:
     - flatpak
   script:
     - xvfb-run -a flatpak run --filesystem=host --share=network --socket=x11 --command=bash 
org.gnome.Sdk//master -x .gitlab-ci/test-flatpak-gtk4.sh
   artifacts:
     paths:
-      - coverage/
\ No newline at end of file
+      - coverage/