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

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit 1e7d9ba5001d34fb2b0034591c73592c57828687
Author: Bartłomiej Piotrowski <b bpiotrowski pl>
Date:   Wed Jul 27 12:39:16 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 | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ccf0d5cbe..e6ca0b761 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -8,8 +8,6 @@ stages:
 variables:
   FLATPAK_MODULE: "fractal"
   RUNTIME_REPO: "https://nightly.gnome.org/gnome-nightly.flatpakrepo";
-  CI_IMAGE_X86_64: "registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:42"
-  CI_IMAGE_AARCH64: "registry.gitlab.gnome.org/gnome/gnome-runtime-images/aarch64:gnome-42"
 
 .hack:
   variables:
@@ -22,6 +20,7 @@ variables:
     APP_ID: "org.gnome.Fractal.Devel"  
 
 .build_template:
+  image: quay.io/gnome_infrastructure/gnome-runtime-images:gnome-42
   script:
     - >
       xvfb-run -a -s "-screen 0 1024x768x24"
@@ -43,18 +42,18 @@ variables:
 
 .build_x86_64:
   extends: .build_template
-  image: '${CI_IMAGE_X86_64}'
+  image: '${CI_IMAGE}'
   tags:
     - flatpak
 
 .build_aarch64:
   extends: .build_template
-  image: '${CI_IMAGE_AARCH64}'
+  image: '${CI_IMAGE}'
   tags:
     - flatpak-aarch64
 
 .publish_nightly_template:
-  image: 'registry.gitlab.gnome.org/gnome/gnome-runtime-images/flat-manager-client'
+  image: 'quay.io/gnome_infrastructure/gnome-runtime-images:flat-manager-client'
   stage: 'deploy'
   timeout: '100m'
   script: