!1223 Update the required version number of marshmallow.

From: @maning202007
Reviewed-by: @yelihua,@ouwenchang
Signed-off-by: @ouwenchang

requirements.txt

@@ -6,7 +6,7 @@ gunicorn>=19.9.0
 itsdangerous>=1.1.0
 Jinja2>=2.10.1
 MarkupSafe>=1.1.1
-marshmallow>=2.19.2
+marshmallow>=3.10.0
 numpy>=1.17.0
 pillow>=6.2.0
 protobuf>=3.8.0