イメージ作成後に毎回キャッシュ送信を行うようにした

.github/workflows/ci.yml

@@ -92,7 +92,7 @@ jobs:
               "var-cache-apt": "/var/cache/apt",
               "var-lib-apt-lists": "/var/lib/apt/lists"
             }
-          skip-extraction: ${{ steps.cache.outputs.cache-hit }}
+          skip-extraction: false
 
       - name: Build and push by digest
         id: build