Bump golangci version to v1.38.0 (#17154)

* Update golangci to v1.38.0

Co-authored-by: Claudio Costa <cstcld91@gmail.com>
Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

api4/config_test.go

@@ -101,7 +101,7 @@ func TestGetConfigAnyFlagsAccess(t *testing.T) {
 	defer th.TearDown()
 
 	th.Client.Login(th.BasicUser.Username, th.BasicUser.Password)
-	cfg, resp := th.Client.GetConfig()
+	_, resp := th.Client.GetConfig()
 
 	t.Run("Check permissions error with no sysconsole read permission", func(t *testing.T) {
 		CheckForbiddenStatus(t, resp)
@@ -111,7 +111,7 @@ func TestGetConfigAnyFlagsAccess(t *testing.T) {
 	th.AddPermissionToRole(model.PERMISSION_SYSCONSOLE_READ_ENVIRONMENT_RATE_LIMITING.Id, model.SYSTEM_USER_ROLE_ID)
 	defer th.RemovePermissionFromRole(model.PERMISSION_SYSCONSOLE_READ_ENVIRONMENT_RATE_LIMITING.Id, model.SYSTEM_USER_ROLE_ID)
 
-	cfg, resp = th.Client.GetConfig()
+	cfg, resp := th.Client.GetConfig()
 	CheckNoError(t, resp)
 	t.Run("Can read value with permission", func(t *testing.T) {
 		assert.NotNil(t, cfg.FeatureFlags)