update the sha of DB_IC15

Author: HannibalAPE

testdata/dnn/download_models.py

@@ -861,7 +861,7 @@ def get_confirm_token(response):  # in case of large files
     Model(
         name='DB_IC15_resnet50',
         url='https://drive.google.com/uc?export=dowload&id=1cmAs91yFRyC2LC3nTTBNNYooyEmb0i5t',
-        sha='da39a3ee5e6b4b0d3255bfef95601890afd80709',
+        sha='9a562c2a8fa3d95fbecd2d45690fb4f787fd496a',
         filename='onnx/models/DB_IC15_resnet50.onnx'),
     Model(
         name='DB_TD500_resnet50',