Update docker.yml (#76)

Author: max-lobur

.github/workflows/docker.yml

@@ -27,7 +27,7 @@ jobs:
         if [[ $VERSION =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
           TAGS="$TAGS,${{ github.repository }}:latest"
         fi
-        echo ::set-output name=tags::${TAGS}
+        echo "tags=${TAGS}" >> $GITHUB_OUTPUT
     - name: Set up QEMU
       uses: docker/setup-qemu-action@v2
     - name: Set up Docker Buildx