[PATCH] erofs-utils: update my email address in AUTHORS

[Gao Xiang]

On 2023/7/3 17:35, Huang Jianan wrote:
> Update the invalid email address.
> 
> Signed-off-by: Huang Jianan <jnhuang95 at gmail.com>

Reviewed-by: Gao Xiang <hsiangkao at linux.alibaba.com>

Thanks,
Gao Xiang