• Added config for new testnet.
• Different ports for testnet node compared to mainnet, so that one can run both on same machine without port conflict.
• Testnet starts with randomx mining algorithm from the beginning.
• Updated dependencies version to make it compatible with Ubuntu 22+ and Python 3.10+.
• get_seed_block now also finds the seed block for the alt chain.
• Updated integration tests.
• Removed support for Ubuntu trusty & xenial.