Fix Docker CI by clearing scope/manifest GHA cache entries, not just blob entries (#3404)

Fix clear-docker-cache to also delete scope/manifest GHA cache entries

Agent-Logs-Url: https://github.com/FOSSBilling/FOSSBilling/sessions/bc1342e9-112e-492f-bf58-7e9e92a67e5e

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: admdly <2807620+admdly@users.noreply.github.com>

.github/workflows/ci.yml

@@ -125,7 +125,8 @@ jobs:
           GH_TOKEN: ${{ github.token }}
         run: |
           gh api --paginate "/repos/${{ github.repository }}/actions/caches" \
-            --jq '.actions_caches[] | select(.key | startswith("buildkit-ghcache")) | .id' \
+            --jq --arg ref "${{ github.ref_name }}" \
+            '.actions_caches[] | select(.key | startswith("buildkit-ghcache") or startswith($ref + "-linux/")) | .id' \
             | xargs -r -I{} gh api -X DELETE "/repos/${{ github.repository }}/actions/caches/{}" \
             || true