cpp20.patch backports the patch [0] from the upstream repo but is incomplete
as it left out the part for websocketpp/roles/server_endpoint.hpp.
[0] 3197a520eb
Run vcpkg x-add-version
Change version-string to version
Co-authored-by: Robert Schumacher <roschuma@microsoft.com>
Roll boost-asio, openssl and zlip into a single feature
Overwrite version
