looping through tags to be removed

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

.gitea/workflows/docker.yaml

@@ -48,8 +48,11 @@ jobs:
       - name: Get tag list
         run: |
           TAGS="$(curl -u "${{ secrets.REGISTRY_USER }}:${{ secrets.REGISTRY_PASS }}" -s ${{ secrets.REGISTRY_PATH }}/v2/umbrella/tags/list | jq -r ".tags[]")"
+          echo tags: $TAGS
           COUNT=$(echo "$TAGS" | wc -l)
+          echo count: $COUNT
           REMAIN=$((COUNT - 10))
+          echo remaining: $REMAIN
           echo "$TAGS" | head -n $REMAIN > /tmp/old_tags
 
       - name: Remove tags