RedTeam Updates VPN Detection and Fingerprinter Challenges

FlowRadar VPN Detection Challenge received production-grade metrics with significantly higher data volume, now the primary focus for miners. Historical Fingerprinter Challenge updated its decay function to use UTC timezone, improving validator weight consistency and VTrust alignment.

• •FlowRadar metrics.csv upgraded to production dataset with higher volume
• •Testing dataset aligned but with even higher data volume
• •Decay function now uses UTC timezone for consistency
• •Changes improve validator weight distribution and VTrust alignment