chore(deps): update docker/metadata-action action to v6 (#1069)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -289,7 +289,7 @@ jobs:
         with:
           persist-credentials: false
       - id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
         with:
           images: ghcr.io/${{ github.repository }}
           tags: type=raw,value=${{ github.sha }}-${{ matrix.tag }}