Fix pipeline

.github/workflows/build.yml

@@ -5,7 +5,7 @@ on:
     branches: [ main ]
   workflow_dispatch: {}
   schedule:
-    - cron: '0 4 * * *'
+    - cron: '0 23 * * *'
 
 jobs:
   build:
@@ -17,8 +17,11 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Log in to registry
-        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login gitea.ceperka.net -u ${{ github.actor }} --password-stdin
-      
+        run: echo "${{ env.FORGEJO_TOKEN }}" | docker login gitea.ceperka.net -u ${{ env.FORGEJO_ACTOR }} --password-stdin
+
+      - name: Download latest upstream image
+        run: docker pull quay.io/fedora/fedora-coreos:testing
+
       - name: Build
         run: docker build -t $IMAGE:$TAG .