Add a docker build step.

.forgejo/workflows/docker.yml

@@ -11,12 +11,10 @@ jobs:
     steps:
       - name: Checkout Repo
         uses: actions/checkout@v4
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
       - run: |
           apt update && apt install -y docker.io
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
       - name: Login to Forgejo Container Registry
         run: echo "${{ secrets.FORGEJO_TOKEN }}" | docker login ${{ forgejo.server_url }} -u ${{ forgejo.actor }} --password-stdin
 
@@ -35,12 +33,10 @@ jobs:
     steps:
       - name: Checkout Repo
         uses: actions/checkout@v4
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
       - run: |
           apt update && apt install -y docker.io
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
       - name: Login to Forgejo Container Registry
         run: echo "${{ secrets.FORGEJO_TOKEN }}" | docker login ${{ forgejo.server_url }} -u ${{ forgejo.actor }} --password-stdin