add buildx prepare step

Signed-off-by: Robert Waffen <[email protected]>

.github/workflows/ci.yaml

@@ -37,6 +37,9 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Build image
         uses: docker/build-push-action@v6
         with:
@@ -109,10 +112,10 @@ jobs:
       matrix: ${{ fromJson(needs.setup-matrix.outputs.matrix) }}
     steps:
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v3
 
       - name: Download artifact
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: voxbox-${{ matrix.rubygem_puppet }}:${{ github.sha }}
           path: /tmp