set rent epoch to Epoch::MAX for rent-exempt accounts #28683

Active on mainnet-beta (epoch 570), testnet (epoch 586) and devnet (epoch 588).

Introduced in solana-labs/solana PR #28690.

Feature id 5wAGiy15X1Jb2hkHnPDCM8oB9V42VNA9ftNVFK84dEgv.

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