2GB RAM not enough when compiling on VPS

[matahina]

cc1plus exited when Building CXX object CMakeFiles/supertuxkart.dir/src/network/protocols/server_lobby.cpp.o
Need 1GB swapfile to work

More info
HEAD is now at f60dc7562 Merge https://github.com/supertuxkart/stk-code into command-manager-prototype
Ubuntu 24.10

[kimden]

I think 1Gb was enough for me, but 500mb wasn't. Either way, I suppose I can only reduce it by making files smaller (which is already a policy)