SIMD-0504: Stricter shred validation

Not active on mainnet-beta; not active on testnet; not active on devnet.

Introduced in anza-xyz/agave PR #16378.

Feature id s5o4YoA9zUrw9j4v335ncdG5PpznDBsrgM6CvUGrasA.

Related

• SIMD-0504

Vortex Testnet

• Consensus leaderboard
• Validators
• Decentralization
• Cluster status
• Feature gates
• SIMDs
• Activity
• API and AI usage