fix compilation errors

agora-specs/Sample/Effect/GovernorMutation.hs

@@ -51,7 +51,7 @@ import Test.Util (datumPair, toDatumHash)
 
 -- | The effect validator instance.
 effectValidator :: Validator
-effectValidator = mkValidator $ mutateGovernorValidator governor
+effectValidator = mkValidator def $ mutateGovernorValidator governor
 
 -- | The hash of the validator instance.
 effectValidatorHash :: ValidatorHash

agora-specs/Sample/Effect/TreasuryWithdrawal.hs

@@ -23,6 +23,7 @@ import Agora.Effect.TreasuryWithdrawal (
   TreasuryWithdrawalDatum (TreasuryWithdrawalDatum),
   treasuryWithdrawalValidator,
  )
+import Data.Default (def)
 import Plutarch.Api.V1 (mkValidator, validatorHash)
 import PlutusLedgerApi.V1 (
   Address (Address),
@@ -147,7 +148,7 @@ buildReceiversOutputFromDatum (TreasuryWithdrawalDatum xs _) = f <$> xs
 
 -- | Effect validator instance.
 validator :: Validator
-validator = mkValidator $ treasuryWithdrawalValidator currSymbol
+validator = mkValidator def $ treasuryWithdrawalValidator currSymbol
 
 -- | 'TokenName' that represents the hash of the 'Agora.Stake.Stake' validator.
 validatorHashTN :: TokenName