Merge branch 'fix/executor-kubernetes-test-vet-offense' into 'master'

Fix offense reported by vet. Add vet to 'code style` job.

See merge request !477

.gitlab-ci.yml

@@ -64,6 +64,7 @@ code style:
   - make fmt
   - make lint
   - make complexity
+  - make vet
   tags:
   - docker
 

executors/kubernetes/executor_kubernetes_test.go

@@ -445,7 +445,7 @@ func TestSetupBuildPod(t *testing.T) {
 				},
 			},
 			VerifyFn: func(t *testing.T, test testDef, pod *api.Pod) {
-				secrets := []api.LocalObjectReference{{"docker-registry-credentials"}}
+				secrets := []api.LocalObjectReference{{Name: "docker-registry-credentials"}}
 				assert.Equal(t, secrets, pod.Spec.ImagePullSecrets)
 			},
 		},