Bump docker/metadata-action from 5 to 6 (#894)

Author: dependabot[bot]

.github/workflows/build.yml

@@ -76,7 +76,7 @@ jobs:
 
       - name: Generate tags
         id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
         with:
           images: ${{ steps.repo.outputs.registry }}
           tags: |