Update go language version to 1.17
golang.org/x/sys v0.1.0 seems to require 1.17 because it uses
unsafe.Slice.
Here is the error:
vendor/golang.org/x/sys/unix/syscall.go:83:16: unsafe.Slice requires go1.17 or later (-lang was set to go1.16; check go.mod)
I'm not sure why it mentions 1.16, but this change fixes it nonetheless.