build(deps): bump docker/metadata-action from 5.5.1 to 5.6.1 in the updates group (#3162)

Author: dependabot[bot]

.github/workflows/build-multiarch.yml

@@ -100,7 +100,7 @@ jobs:
 
       - name: Docker meta
         id: meta
-        uses: docker/metadata-action@v5.5.1
+        uses: docker/metadata-action@v5.6.1
         with:
           # NOTE for forks: if your Docker Hub organization doesn't match your Github repo's,
           # then the use of ${{ github.repository_owner }} will need to be replaced.