[Auto release] release 1.4.0

🆕 feat

@visactor/vtable: support corner header cell edit value #1945
@visactor/vtable: add indent in vtable-export
@visactor/vtable: add CustomComponent in react-vtable
@visactor/vtable: add CustomLayout component in react-vtable
@visactor/vtable: support calculate field for PivotTable #1941
🐛 fix
@visactor/vtable: updateSortState api occor error #1939
@visactor/vtable: when setRecords should update emptyTip #1953
@visactor/vtable: getCellRect api when cell is frozen get bounds error #1955
@visactor/vtable: when drag cell and enter edit state but can not exit edit rightly #1956
@visactor/vtable: fix custom width problem #1905
@visactor/vtable: fix content judgement in getCellRange() #1911
@visactor/vtable: fix size update problem in pivot table sort #1958
🔧 chore
@visactor/vtable: update vrender version