Update desired hashes per tick to 4.4M

Active on mainnet-beta (epoch 591), testnet (epoch 589) and devnet (epoch 639).

Introduced in solana-labs/solana PR #33600.

Feature id 8C8MCtsab5SsfammbzvYz65HHauuUYdbY2DZ4sznH6h5.

Vortex

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