Update docker/metadata-action action to v5.5.1 (#94)

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

Author: renovate[bot]

.github/workflows/ci-pipeline.yml

@@ -73,7 +73,7 @@ jobs:
       # https://github.com/docker/metadata-action
       - name: Extract Docker metadata
         id: meta
-        uses: docker/[email protected].0
+        uses: docker/[email protected].1
         with:
           # list of Docker images to use as base name for tags
           images: |