refactor: move NetworkBehaviour update to a separate non-static class#917

SamuelBellomo merged 7 commits intodevelopUnity-Technologies/com.unity.netcode.gameobjects:developfrom

fix/moving-Behaviour-Update-to-separate-classUnity-Technologies/com.unity.netcode.gameobjects:fix/moving-Behaviour-Update-to-separate-classCopy head branch name to clipboard