hadrian: Add reloc-binary-dist-* targets
The idea here is that on windows we want to ship an already "installed" bindist. So the way to achieve this is to build a normal bindist, and then install it before zipping that up.
The idea here is that on windows we want to ship an already "installed" bindist. So the way to achieve this is to build a normal bindist, and then install it before zipping that up.