Merge pull request #42948 from CaoShuFeng/fromLiteralStrings

Automatic merge from submit-queue (batch tested with PRs 42998, 42902, 42959, 43020, 42948)

[cli] fix Generator's error messages

Invalid variables are used when format error messages. This change
fixes them.

**Release note**:

```NONE
```

pkg/kubectl/configmap.go

@@ -68,7 +68,7 @@ func (s ConfigMapGeneratorV1) Generate(genericParams map[string]interface{}) (ru
 	if found {
 		fromLiteralArray, isArray := fromLiteralStrings.([]string)
 		if !isArray {
-			return nil, fmt.Errorf("expected []string, found :%v", fromFileStrings)
+			return nil, fmt.Errorf("expected []string, found :%v", fromLiteralStrings)
 		}
 		delegate.LiteralSources = fromLiteralArray
 		delete(genericParams, "from-literal")