Update docker/metadata-action digest to 507c2f2

Author: renovate[bot]

Diff for: .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@05d22bf31770de02e20c67c70365453e00227f61
+        uses: docker/metadata-action@507c2f2dc502c992ad446e3d7a5dfbe311567a96
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}