message: Fix casing of EntityNamePicker validation error message
  The error message for `EntityNamePicker` has two sentences.  The first word of the second sentence is capitalised, but the first sentence was not.  This fixes the capitalisation of the first sentence.
diff: @@ -23,7 +23,7 @@ export const entityNamePickerValidation = (
  ) => {
  if (!KubernetesValidatorFunctions.isValidObjectName(value)) {
  validation.addError(
  - 'must start and end with an alphanumeric character, and contain only alphanumeric characters, hyphens, underscores, and periods. Maximum length is 63 characters.',
  + 'Must start and end with an alphanumeric character, and contain only alphanumeric characters, hyphens, underscores, and periods. Maximum length is 63 characters.',
  );
  }
  };
  