chore: Update golang version to v1.26

.github/env

@@ -1,3 +1,4 @@
-golang-version=1.25
-kind-version=v0.27.0
-kind-image=kindest/node:v1.33.0
+golang-version=1.26
+golangci-lint=v2.12.2
+kind-version=v0.31.0
+kind-image=kindest/node:v1.35.1

.github/workflows/check.yaml

@@ -44,7 +44,7 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v9.2.0
         with:
-          version: v2.6.1
+          version: '${{ env.golangci-lint }}'
           args: --timeout 10m0s
 
   check-format:

.golangci.yml

@@ -30,6 +30,9 @@ linters:
       exclude-functions:
         - (net/http.ResponseWriter).Write
         - (github.com/go-kit/log.Logger).Log
+    goconst:
+      ignore-tests: true
+      min-occurrences: 10
   exclusions:
     generated: lax
     presets:

go.mod

@@ -1,6 +1,6 @@
 module github.com/kubeservice-stack/echo
 
-go 1.25.0
+go 1.26
 
 require (
 	github.com/KimMachineGun/automemlimit v0.7.5

test/framework/context.go

@@ -17,6 +17,7 @@ limitations under the License.
 package framework
 
 import (
+	"slices"
 	"strconv"
 	"strings"
 	"testing"
@@ -56,8 +57,8 @@ func (ctx *TestCtx) ID() string {
 func (ctx *TestCtx) Cleanup(t *testing.T) {
 	var eg errgroup.Group
 
-	for i := len(ctx.cleanUpFns) - 1; i >= 0; i-- {
-		eg.Go(ctx.cleanUpFns[i])
+	for _, v := range slices.Backward(ctx.cleanUpFns) {
+		eg.Go(v)
 	}
 
 	if err := eg.Wait(); err != nil {