ci: Fix linter complaint (backport #9645) (#9646)

* ci: Fix linter complaint (#9645)

Fixes a very silly linter complaint that makes absolutely no sense and is blocking the merging of several PRs.

---

#### PR checklist

- [x] Tests written/updated, or no tests needed
- [x] `CHANGELOG_PENDING.md` updated, or no changelog entry needed
- [x] Updated relevant documentation (`docs/`) and code comments, or no
      documentation updates needed

(cherry picked from commit 83b7f4ad5b)

# Conflicts:
#	.github/workflows/lint.yml
#	cmd/tendermint/commands/debug/util.go

* Resolve conflicts

Signed-off-by: Thane Thomson <connect@thanethomson.com>

* Fix remaining lints

Signed-off-by: Thane Thomson <connect@thanethomson.com>

Signed-off-by: Thane Thomson <connect@thanethomson.com>
Co-authored-by: Thane Thomson <connect@thanethomson.com>

.github/workflows/lint.yml

@@ -31,10 +31,7 @@ jobs:
             go.sum
       - uses: golangci/golangci-lint-action@v3
         with:
-          # Required: the version of golangci-lint is required and
-          # must be specified without patch version: we always use the
-          # latest patch version.
-          version: v1.47.3
+          version: v1.50.1
           args: --timeout 10m
           github-token: ${{ secrets.github_token }}
         if: env.GIT_DIFF

.golangci.yml

@@ -2,7 +2,6 @@ linters:
   enable:
     - asciicheck
     - bodyclose
-    - deadcode
     - depguard
     - dogsled
     - dupl
@@ -26,7 +25,6 @@ linters:
     - typecheck
     - unconvert
     - unused
-    - varcheck
 
 issues:
   exclude-rules:

cmd/tendermint/commands/debug/util.go

@@ -67,7 +67,8 @@ func copyConfig(home, dir string) error {
 func dumpProfile(dir, addr, profile string, debug int) error {
 	endpoint := fmt.Sprintf("%s/debug/pprof/%s?debug=%d", addr, profile, debug)
 
-	resp, err := http.Get(endpoint) //nolint: gosec
+	//nolint:gosec,nolintlint
+	resp, err := http.Get(endpoint)
 	if err != nil {
 		return fmt.Errorf("failed to query for %s profile: %w", profile, err)
 	}

libs/rand/random.go

@@ -48,7 +48,8 @@ func (r *Rand) init() {
 }
 
 func (r *Rand) reset(seed int64) {
-	r.rand = mrand.New(mrand.NewSource(seed)) //nolint:gosec
+	//nolint:gosec,nolintlint
+	r.rand = mrand.New(mrand.NewSource(seed))
 }
 
 //----------------------------------------

node/node.go

@@ -891,6 +891,7 @@ func NewNode(config *cfg.Config,
 	if config.RPC.PprofListenAddress != "" {
 		go func() {
 			logger.Info("Starting pprof server", "laddr", config.RPC.PprofListenAddress)
+			//nolint:gosec,nolintlint // G114: Use of net/http serve function that has no support for setting timeouts
 			logger.Error("pprof server error", "err", http.ListenAndServe(config.RPC.PprofListenAddress, nil))
 		}()
 	}