Adding `<ScriptCmd>` to list of angle-bracket notation syntax, just like `<Cmd>`
`<Cmd>` is already highlighted.
```vim
nnoremap <leader>o <Cmd>Oldfiles()<CR>
```
`<ScriptCmd>` is not.
Signed-off-by: dezza <402927+dezza@users.noreply.github.com>
Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>