use latest appimage build docker image

see https://github.com/nextcloud/docker-ci/pkgs/container/continuous-integration-client-appimage-qt6/342431972?tag=client-appimage-el8-6.8.1-2

Signed-off-by: Matthieu Gallien <matthieu.gallien@nextcloud.com>

.github/workflows/linux-appimage.yml

@@ -6,7 +6,7 @@ jobs:
   build:
     name: Linux Appimage Package
     runs-on: ubuntu-latest
-    container: ghcr.io/nextcloud/continuous-integration-client-appimage-qt6:client-appimage-el8-6.8.1-1
+    container: ghcr.io/nextcloud/continuous-integration-client-appimage-qt6:client-appimage-el8-6.8.1-2
     steps:
       - uses: actions/checkout@v4
         with:

craftmaster.ini

@@ -61,4 +61,4 @@ SIGN_PACKAGE = False
 
 [Custom_Variables_for_Brander]
 qtPath = /opt/qt
-dockerImage = ghcr.io/nextcloud/continuous-integration-client-appimage-qt6:client-appimage-el8-6.8.1-1
+dockerImage = ghcr.io/nextcloud/continuous-integration-client-appimage-qt6:client-appimage-el8-6.8.1-2