build: update btcd and btcwallet dependencies

go.mod

@@ -5,13 +5,14 @@ require (
 	github.com/NebulousLabs/fastrand v0.0.0-20181203155948-6fb6489aac4e // indirect
 	github.com/NebulousLabs/go-upnp v0.0.0-20180202185039-29b680b06c82
 	github.com/Yawning/aez v0.0.0-20180114000226-4dad034d9db2
-	github.com/btcsuite/btcd v0.21.0-beta.0.20201208033208-6bd4c64a54fa
+	github.com/btcsuite/btcd v0.21.0-beta.0.20210401013323-36a96f6a0025
 	github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f
-	github.com/btcsuite/btcutil v1.0.2
-	github.com/btcsuite/btcutil/psbt v1.0.3-0.20200826194809-5f93e33af2b0
-	github.com/btcsuite/btcwallet v0.11.1-0.20210312232944-4ec908df9386
-	github.com/btcsuite/btcwallet/wallet/txauthor v1.0.0
+	github.com/btcsuite/btcutil v1.0.3-0.20201208143702-a53e38424cce
+	github.com/btcsuite/btcutil/psbt v1.0.3-0.20201208143702-a53e38424cce
+	github.com/btcsuite/btcwallet v0.11.1-0.20210329233242-e0607006dce6
+	github.com/btcsuite/btcwallet/wallet/txauthor v1.0.1-0.20210329233242-e0607006dce6
 	github.com/btcsuite/btcwallet/wallet/txrules v1.0.0
+	github.com/btcsuite/btcwallet/wallet/txsizes v1.0.1-0.20210329233242-e0607006dce6 // indirect
 	github.com/btcsuite/btcwallet/walletdb v1.3.4
 	github.com/btcsuite/btcwallet/wtxmgr v1.2.1-0.20210312232944-4ec908df9386
 	github.com/coreos/etcd v3.3.22+incompatible
@@ -21,6 +22,7 @@ require (
 	github.com/davecgh/go-spew v1.1.1
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible // indirect
 	github.com/dustin/go-humanize v1.0.0 // indirect
+	github.com/fsnotify/fsnotify v1.4.9 // indirect
 	github.com/go-errors/errors v1.0.1
 	github.com/go-openapi/strfmt v0.19.5 // indirect
 	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect