Update docker/metadata-action digest to 32323e5

Author: renovate[bot]

.github/workflows/docker-publish.yml

@@ -64,7 +64,7 @@ jobs:
       # https://github.com/docker/metadata-action
       - name: Extract Docker metadata
         id: meta
-        uses: docker/metadata-action@1237c3e3d6926ae8bfad16f64e08d259b9943637
+        uses: docker/metadata-action@32323e53fe6fa1b9830e2eed4bd13fd97d948ed6
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}