Update docker/metadata-action digest to 517f8b0

Author: renovate[bot]

.github/workflows/docker-image.yml

@@ -25,7 +25,7 @@ jobs:
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        uses: docker/metadata-action@517f8b0c3b2daa800eac32a9a71024c8126d46a7
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}