chore(deps): update docker/metadata-action digest to b798ed8 (#491)

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

Author: renovate[bot]

.github/workflows/release.yml

@@ -18,7 +18,7 @@ jobs:
           password: ${{ secrets.DOCKER_PASSWORD }}
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@418e4b98bf2841bd337d0b24fe63cb36dc8afa55
+        uses: docker/metadata-action@b798ed8388581f6f002541048b6458ca2c4ba442
         with:
           images: domnikl/schema-registry-gitops
       - name: Set up QEMU