Merge pull request #58690 from adohe/validate_er_name

Automatic merge from submit-queue (batch tested with PRs 58690, 64773, 64880, 64915, 64831). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

add extended resource name validation

@smarterclayton I dont know who is in charge of extended resource, so just assign this to you. This is a quite simple PR, just add extended resource name validation test case, as we validate extended resource quantity and overcommit.

```release-note
NONE
```

pkg/apis/core/validation/validation_test.go

@@ -7480,6 +7480,31 @@ func TestValidatePod(t *testing.T) {
 				Spec: validPodSpec(nil),
 			},
 		},
+		"invalid extended resource name in container request": {
+			expectedError: "must be a standard resource for containers",
+			spec: core.Pod{
+				ObjectMeta: metav1.ObjectMeta{Name: "123", Namespace: "ns"},
+				Spec: core.PodSpec{
+					Containers: []core.Container{
+						{
+							Name:            "invalid",
+							Image:           "image",
+							ImagePullPolicy: "IfNotPresent",
+							Resources: core.ResourceRequirements{
+								Requests: core.ResourceList{
+									core.ResourceName("invalid-name"): resource.MustParse("2"),
+								},
+								Limits: core.ResourceList{
+									core.ResourceName("invalid-name"): resource.MustParse("2"),
+								},
+							},
+						},
+					},
+					RestartPolicy: core.RestartPolicyAlways,
+					DNSPolicy:     core.DNSClusterFirst,
+				},
+			},
+		},
 		"invalid extended resource requirement: request must be == limit": {
 			expectedError: "must be equal to example.com/a",
 			spec: core.Pod{