ci(gha): add steps to perform container image scan

Author: abhisheksr01

.github/workflows/pipeline.yml

@@ -225,7 +225,12 @@ jobs:
           sbom: true
           provenance: true
       - name: Convert Image to Tar
-        run: docker save -o companieshouse.tar ${{ steps.meta.outputs.tags }}
+        run: |
+          docker images
+          tags="${{ steps.meta.outputs.tags }}"
+          tags="${tags//,/ }"        # replace commas with spaces
+          echo "Saving images: $tags"
+          docker save -o companieshouse.tar ${{ steps.meta.outputs.tags }}
       - name: Scan Image
         uses: aquasecurity/[email protected]
         with: