Calculate vote credits for VoteStateUpdate per vote dequeue to match credit awards for Vote instruction

Active on mainnet-beta (epoch 491), testnet (epoch 516) and devnet (epoch 443).

Introduced in solana-labs/solana PR #25743.

Feature id CveezY6FDLVBToHDcvJRmtMouqzsmj4UXYh5ths5G5Uv.

Vortex

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