update to artifact v4

Author: Robert Schuh

.github/workflows/docker-publish.yml

@@ -80,15 +80,11 @@ jobs:
       - name: REGISTRY_IMAGE
         run: |
           echo "REGISTRY_IMAGE=ghcr.io/${GITHUB_REPOSITORY,,}" >>${GITHUB_ENV}
-      - name: Prepare artifact name
-        run: |
-          name=$(echo -n "${{ matrix.platform }}" | sed -e 's/[ \t:\/\\"<>|*?]/-/g' -e 's/--*/-/g')
-          echo "ARTIFACT_NAME=$name" >> $GITHUB_ENV
       - name: Download digests
         uses: actions/download-artifact@v4
         with:
           path: /tmp/digests
-          pattern: digests-${{ env.ARTIFACT_NAME }}
+          pattern: digests-*
           merge-multiple: 'true'
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3