notify state machine of duplicate proofs

Active on mainnet-beta (epoch 659), testnet (epoch 673) and devnet (epoch 733).

Minimum versions: Agave v1.18.1.

Introduced in solana-labs/solana PR #32963.

Feature id FNKCMBzYUdjhHyPdsKG2LSmdzH8TCHXn3ytj8RNBS4nG.

Vortex

• Consensus leaderboard
• Fees leaderboard
• Validators
• Stake pools
• Decentralization
• Client versions
• Cluster status
• Governance
• Feature gates
• SIMDs
• Activity
• API and AI usage