Declare VM_IMAGE

.github/workflows/ci.yml

@@ -2,25 +2,22 @@
 name: CI
 on: [push]
 env:
+  MACOS_CI_SETUP_TOKEN: ${{ secrets.MACOS_CI_SETUP_TOKEN }}
   VM_NAME: sequoia-for-pillarbox
+  VM_IMAGE: ghcr.io/cirruslabs/macos-sequoia-base:latest
 jobs:
   install-tools:
     runs-on:
       labels: [tart, macos]
     steps:
       - name: Clone macos-ci-setup repository
-        env:
-          MACOS_CI_SETUP_TOKEN: ${{ secrets.MACOS_CI_SETUP_TOKEN }}
         run: |
           rm -rf ~/macos-ci-setup
           git clone -b add-scripts https://[email protected]/SRGSSR/macos-ci-setup.git ~/macos-ci-setup
-
       - name: Install tools
-        env:
-          MACOS_CI_SETUP_TOKEN: ${{ secrets.MACOS_CI_SETUP_TOKEN }}
         run: |
           cd ~/macos-ci-setup
-          ./create-vm-for-project.sh $VM_NAME ghcr.io/cirruslabs/macos-sonoma-xcode:latest
+          ./create-vm-for-project.sh $VM_NAME $VM_IMAGE
           ./clone-repo-in-vm.sh "https://[email protected]/SRGSSR/fake-and-temporary-pa-for-runners.git" $VM_NAME
           ./brew-fetch-and-sync.sh $VM_NAME mint shellcheck markdownlint-cli yamllint ffmpeg
           ./run-vm-shell-command.sh $VM_NAME "brew install mint shellcheck markdownlint-cli yamllint ffmpeg"
@@ -37,8 +34,6 @@ jobs:
       labels: [tart, macos]
     steps:
       - name: Setup project
-        env:
-          MACOS_CI_SETUP_TOKEN: ${{ secrets.MACOS_CI_SETUP_TOKEN }}
         run: |
           cd ~/macos-ci-setup
           ./run-vm-shell-command.sh $VM_NAME "cd ~/_repo && rm -rf Configuration"