message: chore(settings): update version 1.15.0
diff: /**
  - * Copyright IBM Corp. 2020
  + * Copyright IBM Corp. 2020, 2021
  *
  * This source code is licensed under the Apache-2.0 license found in the
  * LICENSE file in the root directory of this source tree.
  *
  */
  const settings = {
  - version: 'Carbon for IBM.com v1.14.0',
  + version: 'Carbon for IBM.com v1.15.0',
  stablePrefix: 'dds',
  };
  