net: hns3/hns: Update the maintainer for the HNS3/HNS ethernet driver

Yisen Zhuang has left the company in September.
Jian Shen will be responsible for maintaining the
hns3/hns driver's code in the future,
so add Jian Shen to the hns3/hns driver's matainer list.

Signed-off-by: Jijie Shao <[e-mail]>
Reviewed-by: Simon Horman <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

MAINTAINERS

···
 F:	drivers/bus/hisi_lpc.c
 
 HISILICON NETWORK SUBSYSTEM 3 DRIVER (HNS3)
-M:	Yisen Zhuang <[e-mail]>
+M:	Jian Shen <[e-mail]>
 M:	Salil Mehta <[e-mail]>
 M:	Jijie Shao <[e-mail]>
 L:	[e-mail]
···
 F:	drivers/net/ethernet/hisilicon/hns3/
 
 HISILICON NETWORK SUBSYSTEM DRIVER
-M:	Yisen Zhuang <[e-mail]>
+M:	Jian Shen <[e-mail]>
 M:	Salil Mehta <[e-mail]>
 L:	[e-mail]
 S:	Maintained