ci: Fix linter complaint (backport #9645) (#9647)

* 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
#	.golangci.yml
#	cmd/tendermint/commands/debug/util.go

* Resolve conflicts

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

* ci: Sync golangci-lint config with main

Minus the spelling configuration that restricts spelling to US English
only.

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

* make format

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

* Remove usage of deprecated io/ioutil package

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

* Remove unused mockBlockStore

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

* blockchain/v2: Remove unused method

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

* Bulk fix lints

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

* lint: Ignore auto-generated query PEG

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

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

test/fuzz/mempool/v0/fuzz_test.go

@@ -1,12 +1,13 @@
 package v0_test
 
 import (
-	"io/ioutil"
+	"io"
 	"os"
 	"path/filepath"
 	"testing"
 
 	"github.com/stretchr/testify/require"
+
 	mempoolv0 "github.com/tendermint/tendermint/test/fuzz/mempool/v0"
 )
 
@@ -25,7 +26,7 @@ func TestMempoolTestdataCases(t *testing.T) {
 			}()
 			f, err := os.Open(filepath.Join(testdataCasesDir, entry.Name()))
 			require.NoError(t, err)
-			input, err := ioutil.ReadAll(f)
+			input, err := io.ReadAll(f)
 			require.NoError(t, err)
 			mempoolv0.Fuzz(input)
 		})

test/fuzz/mempool/v1/fuzz_test.go

@@ -1,12 +1,13 @@
 package v1_test
 
 import (
-	"io/ioutil"
+	"io"
 	"os"
 	"path/filepath"
 	"testing"
 
 	"github.com/stretchr/testify/require"
+
 	mempoolv1 "github.com/tendermint/tendermint/test/fuzz/mempool/v1"
 )
 
@@ -25,7 +26,7 @@ func TestMempoolTestdataCases(t *testing.T) {
 			}()
 			f, err := os.Open(filepath.Join(testdataCasesDir, entry.Name()))
 			require.NoError(t, err)
-			input, err := ioutil.ReadAll(f)
+			input, err := io.ReadAll(f)
 			require.NoError(t, err)
 			mempoolv1.Fuzz(input)
 		})