fix: workflow

.github/workflows/test-iso.yml

@@ -12,6 +12,9 @@ on:
       - 'CODEOWNERS'
   workflow_dispatch:
 
+env:
+  FLATPAK_REFS: app/org.videolan.VLC/x86_64/stable runtime/org.kde.Platform/x86_64/5.15-23.08
+
 jobs:
   build-and-push-iso:
     name: Build ISO
@@ -29,7 +32,6 @@ jobs:
       matrix:
         version: [38, 39]
         boot: [secureboot, insecure]
-        flatpak_refs: app/org.videolan.VLC/x86_64/stable runtime/org.kde.Platform/x86_64/5.15-23.08
         include:
           - boot: secureboot
             SECURE_BOOT_KEY_URL: 'https://github.com/ublue-os/akmods/raw/main/certs/public_key.der'
@@ -57,7 +59,7 @@ jobs:
           VERSION: ${{ matrix.version }}
           SECURE_BOOT_KEY_URL: ${{ matrix.SECURE_BOOT_KEY_URL }}
           ENROLLMENT_PASSWORD: ${{ matrix.ENROLLMENT_PASSWORD }}
-          FLATPAK_REMOTE_REFS: ${{ matrix.flatpak_refs }}
+          FLATPAK_REMOTE_REFS: ${{ env.FLATPAK_REFS }}
 
       - name: Upload ISO as artifact
         uses: actions/upload-artifact@v4