fix spine_coco.tar md5sum (#6309)

ppdet/utils/download.py

@@ -97,7 +97,7 @@ DATASETS = {
         '49ce5a9b5ad0d6266163cd01de4b018e', ), ], ['annotations', 'images']),
     'spine_coco': ([(
         'https://paddledet.bj.bcebos.com/data/spine_coco.tar',
-        '7ed69ae73f842cd2a8cf4f58dc3c5535', ), ], ['annotations', 'images']),
+        '03030f42d9b6202a6e425d4becefda0d', ), ], ['annotations', 'images']),
     'mot': (),
     'objects365': (),
     'coco_ce': ([(