Feature Gate: StakeInstruction::DeactivateDelinquent

### Description

See https://github.com/solana-labs/solana/pull/23932

### Feature ID

437r62HoAdUb63amq3D7ENnBLDhHT2xY8eFkLJYVKK4x

### Activation Method

Single Core Contributor

### Testnet Activation Epoch

348

### Devnet Activation Epoch

423

### Mainnet-Beta Activation Epoch

437

### Required Solana version
* 1.11.10