Update .forgejo/workflows/docker-image.yaml

.forgejo/workflows/docker-image.yaml

@@ -6,13 +6,13 @@ on:
 jobs:
   docker-image:
     runs-on: docker
-    container:
-      image: ubuntu:latest
     steps:
       - name: Install dependencies
         run: |
-          apt-get update
+          echo deb http://deb.debian.org/debian bullseye-backports main | tee /etc/apt/sources.list.d/backports.list
+          apt-get update -qq
           apt-get install -y git
+          DEBIAN_FRONTEND=noninteractive apt-get install --no-install-recommends -qq -y -t bullseye-backports docker.io  
 
       - name: Checkout sourcecode
         uses: actions/checkout@v3