fix(core): NPE in Cycles per second (#331)

- [X] Fixes an edge case where the cycle index goes negative and crashes
- [X] Fixes average CPS calculation
- [X] Fixes issue with logout delay
- [X] Bumps release version

Projects/UOContent/Mobiles/Vendors/NPC/Guildmasters/BaseGuildmaster.cs

@@ -14,7 +14,7 @@ namespace Server.Mobiles
         {
         }
 
-        protected override List<SBInfo> SBInfos { get; } = new List<SBInfo>();
+        protected override List<SBInfo> SBInfos { get; } = new();
 
         public override bool IsActiveVendor => false;