update paraformer_vad_punc_timestamps return value

lzr265946

2023-02-03 bd450caec1b356aac5dbf0a62cd11949a0bbd3e3

1
2
3
4
5
6
7
8
9
x    1
xx    2
xxx    3
xl    4
l    5
lx    6
lxx    7
lxxx    8
xc    9