ci: simplify to use manual comands

.gitea/workflows/build.yaml

@@ -29,13 +29,10 @@ jobs:
           username: ${{ secrets.CONTAINER_REGISTRY_GITEA_USERNAME }}
           password: ${{ secrets.CONTAINER_REGISTRY_GITEA_PASSWORD }}
 
-      - name: Set up Docker Buildx
+      - name: Build container image
-        uses: docker/setup-buildx-action@v3
+        run: |
+          docker build . -t ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
 
-      - name: Build and push Docker image
+      - name: Push container image
-        uses: docker/build-push-action@v5
+        run: |
-        with:
+          docker push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
-          context: .
-          push: true
-          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
-          provenance: false