tlv+go.mod: generate inbound fee TLV type

Also add a temporariy replace to the tlv package which can be removed as
soon as the PR that includes this commit is merged and a new tag for the
tlv package has been created.

go.mod

@@ -203,6 +203,9 @@ require (
 // store have been included in a tagged sqldb version.
 replace github.com/lightningnetwork/lnd/sqldb => ./sqldb
 
+// TODO(elle): replace once the updated tlv package has been tagged.
+replace github.com/lightningnetwork/lnd/tlv => ./tlv
+
 // This replace is for https://github.com/advisories/GHSA-25xm-hr59-7c27
 replace github.com/ulikunitz/xz => github.com/ulikunitz/xz v0.5.11