tlv: update to fn v2

tlv/go.mod

@@ -5,7 +5,7 @@ require (
 	github.com/btcsuite/btcd/btcec/v2 v2.3.2
 	github.com/davecgh/go-spew v1.1.1
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1
-	github.com/lightningnetwork/lnd/fn v1.0.4
+	github.com/lightningnetwork/lnd/fn/v2 v2.0.2
 	github.com/stretchr/testify v1.8.4
 	golang.org/x/exp v0.0.0-20231226003508-02704c960a9b
 )
@@ -13,10 +13,10 @@ require (
 require (
 	github.com/btcsuite/btcd/chaincfg/chainhash v1.1.0 // indirect
 	github.com/kr/pretty v0.3.0 // indirect
-	github.com/lightninglabs/neutrino/cache v1.1.2 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rogpeppe/go-internal v1.9.0 // indirect
 	golang.org/x/crypto v0.16.0 // indirect
+	golang.org/x/sync v0.7.0 // indirect
 	golang.org/x/sys v0.15.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect