v0.16.1

Enhancements:

1. proxy: added vsock support on linux platform(#295)

Bug Fixes:

1. socks5: avoid untyped nil printing which may lead to panic (fix #322)

Changes:

1. docker: use scratch as base image
   NOTE: you may need to change your Dockerfile if you use nadoo/glider as your base image

Chore:

1. ci: build docker image for riscv64 platform
2. ci: added new binary release for Microarchitecture level x86-64-v3, download amd64v3 files if you need
3. ci: built with Go1.18.1