Increase required version of python-sql

issue11235 is using Select query in Round function which is supported by
python-sql from version 1.3.0.

issue11326
review365041002
(grafted from 975715989ff86ca094b5c40a7b3d0165efd5c1c8)

--HG--
branch : 6.0

setup.py

@@ -60,7 +60,7 @@ else:
 if local_version:
     version += '+' + '.'.join(local_version)
 
-requires = ['python-sql >= 0.4', 'simpleeval']
+requires = ['python-sql >= 1.3.0', 'simpleeval']
 for dep in info.get('depends', []):
     if not re.match(r'(ir|res)(\W|$)', dep):
         requires.append(get_require_version('trytond_%s' % dep))