feat(deps): structure instance has ref() member for ref-struct
feat(deps): structure instance has ref() member for ref-struct

according to updating win32-def to ^2.5.0
ref commit: 4ab0e6009
usage:
```ts
import * as Struct from 'ref-struct'
import {
  DModel as M,
  DStruct as DS,
  ...,
} from 'win32-api'

const icc: M.InitCommonControlsEXStruct = new Struct(DS.INITCOMMONCONTROLSEX)()
icc.dwSize = 8
icc.dwICC = 0x40ff

comctl32.InitCommonControlsEx(icc.ref())
```

waitingsong/node-win32-api,waitingsong/node-win32-api,waitingsong/node-win32-api