build(deps): Bump github.com/btcsuite/btcd from 0.22.0-beta to 0.23.4

Bumps [github.com/btcsuite/btcd](https://github.com/btcsuite/btcd) from 0.22.0-beta to 0.23.4.
- [Release notes](https://github.com/btcsuite/btcd/releases)
- [Changelog](https://github.com/btcsuite/btcd/blob/master/CHANGES)
- [Commits](btcsuite/btcd@v0.22.0-beta...v0.23.4)

---
updated-dependencies:
- dependency-name: github.com/btcsuite/btcd
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -7,7 +7,6 @@ require (
 	github.com/ChainSafe/go-schnorrkel v0.0.0-20200405005733-88cbf1b4c40d
 	github.com/Workiva/go-datastructures v1.0.53
 	github.com/adlio/schema v1.3.3
-	github.com/btcsuite/btcd v0.22.1
 	github.com/btcsuite/btcutil v1.0.3-0.20201208143702-a53e38424cce
 	github.com/bufbuild/buf v1.9.0
 	github.com/creachadair/taskgroup v0.3.2

go.sum

@@ -149,9 +149,6 @@ github.com/breml/errchkjson v0.3.0/go.mod h1:9Cogkyv9gcT8HREpzi3TiqBxCqDzo8awa92
 github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
 github.com/btcsuite/btcd v0.21.0-beta/go.mod h1:ZSWyehm27aAuS9bvkATT+Xte3hjHZ+MRgMY/8NJ7K94=
 github.com/btcsuite/btcd v0.22.0-beta/go.mod h1:9n5ntfhhHQBIhUvlhDvD3Qg6fRUj4jkN0VB8L8svzOA=
-github.com/btcsuite/btcd v0.22.1 h1:CnwP9LM/M9xuRrGSCGeMVs9iv09uMqwsVX7EeIpgV2c=
-github.com/btcsuite/btcd v0.22.1/go.mod h1:wqgTSL29+50LRkmOVknEdmt8ZojIzhuWvgu/iptuN7Y=
-github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 h1:q0rUy8C/TYNBQS1+CGKw68tLOFYSNEs0TFnxxnS9+4U=
 github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA=
 github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg=
 github.com/btcsuite/btcutil v1.0.2/go.mod h1:j9HUFwoQRsZL3V4n+qG+CUnEGHOarIxfC3Le2Yhbcts=