Fix docker registry login

.forgejo/workflows/build.yaml

@@ -3,6 +3,16 @@ jobs:
   build_image:
     runs-on: docker
     steps:
+      - name: Install Docker Cli
+        run: |-
+          install -m 0755 -d /etc/apt/keyrings
+          curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
+          chmod a+r /etc/apt/keyrings/docker.gpg
+          echo \
+            "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian \
+            "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" > /etc/apt/sources.list.d/docker.list
+          apt-get -qq update
+          DEBIAN_FRONTEND=noninteractive apt-get install --no-install-recommends -qq -y docker-ce-cli docker-buildx-plugin docker-compose-plugin
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Login to Docker registry (forgejo)