ci: Add godoclint linter.

The enabled linters have been selected such that they do not force
missing comments to be added because this would be far too laborious.
They are enough however to ensure the correctness of any comments which
are already present.

Also update linter to latest version.

Author: jholdstock

.github/workflows/go.yml

@@ -57,5 +57,5 @@ jobs:
         uses: golangci/golangci-lint-action@1e7e51e771db61008b38414a730f564565cf7c20 # v9.2.0
         with:
           install-mode: "goinstall"
-          version: 72798d34b1eb36745915b0d4eea5c2b3b31bdfe3 # v2.9.0
+          version: 8f3b0c7ed018e57905fbd873c697e0b1ede605a5 # v2.11.4
           working-directory: ${{ matrix.module_dirs }}

.golangci.yml

@@ -13,6 +13,7 @@ linters:
     - durationcheck
     - errchkjson
     - errorlint
+    - godoclint
     - govet
     - grouper
     - ineffassign
@@ -30,6 +31,13 @@ linters:
     staticcheck:
       checks:
           - S1*
+    godoclint:
+      default: none
+      enable:
+        - pkg-doc
+        - start-with-name
+        - deprecated
+        - no-unused-link
 formatters:
   enable:
     - gofmt

addrmgr/network.go

@@ -1,5 +1,5 @@
 // Copyright (c) 2013-2014 The btcsuite developers
-// Copyright (c) 2015-2025 The Decred developers
+// Copyright (c) 2015-2026 The Decred developers
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
@@ -107,6 +107,7 @@ type NetAddressType uint8
 // NOTE: This specifically does not use iota since the NetAddressType is used in
 // serialization.  These constants cannot be changed or re-used if new items are
 // added.
+// nolint: godoclint
 const (
 	UnknownAddressType NetAddressType = 0
 	IPv4Address        NetAddressType = 1

internal/version/version.go

@@ -1,5 +1,5 @@
 // Copyright (c) 2013-2014 The btcsuite developers
-// Copyright (c) 2015-2025 The Decred developers
+// Copyright (c) 2015-2026 The Decred developers
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
@@ -60,10 +60,9 @@ var (
 	Version = "2.2.0-pre"
 
 	// NOTE: The following values are set via init by parsing the above Version
-	// string.
+	// string. These fields are the individual semantic version components that
+	// define the application version.
 
-	// These fields are the individual semantic version components that define
-	// the application version.
 	Major         uint32
 	Minor         uint32
 	Patch         uint32