multi: update to latest version of btcd in submodules

The main package has already been updated, but here we update the
submodules as well that only import things to use a constant or so here
and there.

tlv/go.mod

@@ -1,8 +1,8 @@
 module github.com/lightningnetwork/lnd/tlv
 
 require (
-	github.com/btcsuite/btcd v0.22.0-beta.0.20220207191057-4dc4ff7963b4
-	github.com/btcsuite/btcd/btcec/v2 v2.1.0
+	github.com/btcsuite/btcd v0.23.3
+	github.com/btcsuite/btcd/btcec/v2 v2.1.3
 	github.com/davecgh/go-spew v1.1.1
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1
 	github.com/stretchr/testify v1.7.1