upload release via curl?

[pexcn]

https://github.com/shadowsocks/go-shadowsocks2/blob/acdbac05f5a55fd360edb1978c6a23c4988313a6/Makefile#L42-L63

[pexcn]

TODO: https://stackoverflow.com/questions/58033366/how-to-get-the-current-branch-within-github-actions

[pexcn]

https://github.com/database64128/shadowsocks-go/blob/main/.github/workflows/release.yml