fix Mac Nix build

[peterbecich]

       >
       >   Network/Socket/Types.hsc:1162:33:
       >   1) Network.Socket.bind successfully binds to a unix socket
       >        uncaught exception: ErrorCall
       >        pokeSockAddr: path is too long in SockAddrUnix "/nix/var/nix/builds/nix-build-network-3.2.7.0.drv-3248-1626469880/haskell-network-d017fe594dac3be4/socket-file", length 110, unixPathMax 104
       >        CallStack (from HasCallStack):
       >          error, called at Network/Socket/Types.hsc:1162:33 in network-3.2.7.0-KQkhLwYK8QI1PXUI2ELCp1:Network.Socket.Types
       >