walletunlocker+keychain+config_builder: use new aezeed version

walletunlocker/service.go

@@ -309,7 +309,7 @@ func (u *UnlockerService) GenSeed(_ context.Context,
 	// instance.
 	//
 	cipherSeed, err := aezeed.New(
-		keychain.KeyDerivationVersion, &entropy, time.Now(),
+		keychain.CurrentKeyDerivationVersion, &entropy, time.Now(),
 	)
 	if err != nil {
 		return nil, err

walletunlocker/service_test.go

@@ -91,7 +91,7 @@ func createSeedAndMnemonic(t *testing.T,
 	pass []byte) (*aezeed.CipherSeed, aezeed.Mnemonic) {
 
 	cipherSeed, err := aezeed.New(
-		keychain.KeyDerivationVersion, &testEntropy, time.Now(),
+		keychain.CurrentKeyDerivationVersion, &testEntropy, time.Now(),
 	)
 	require.NoError(t, err)