Update docker/metadata-action digest to 232fc64

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@dbef88086f6cef02e264edb7dbf63250c17cef6c
+        uses: docker/metadata-action@232fc64e3a4e54539e087c5976439ea54be0959d
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}