Add ToJSON/FromJSON instances for NonEmptyMap and NonEmptySet#5655

lehins merged 1 commit intomasterIntersectMBO/cardano-ledger:masterfrom

5650-nonemptymapset-need-tofromjsonIntersectMBO/cardano-ledger:5650-nonemptymapset-need-tofromjsonCopy head branch name to clipboard