Update mirror status

manifest.json

@@ -259,6 +259,12 @@
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       "source_file_count": 49106,
       "source_bytes": 4326366617
+    },
+    "test/seq_test_12.tar": {
+      "size": 4376320000,
+      "sha256": "c132e595605e0eda61abeb71d67cc090799c2f3633602340a17746fbed3f56eb",
+      "source_file_count": 49106,
+      "source_bytes": 4339833875
     }
   }
 }