macports: overlay zstd and openssl3 build for older macos
Revert when fixed: https://trac.macports.org/ticket/69944 zstd https://trac.macports.org/ticket/69947 openssl3
Edited by Lukas Oberhuber
Revert when fixed: https://trac.macports.org/ticket/69944 zstd https://trac.macports.org/ticket/69947 openssl3