message: docs(common): update reference url to ICU docs
  PR Close
diff: @@ -39,7 +39,7 @@ export class I18nPluralPipe implements PipeTransform {
  /**
  * @param value the number to be formatted
  * @param pluralMap an object that mimics the ICU format, see
  - * http://userguide.icu-project.org/formatparse/messages.
  + * https://unicode-org.github.io/icu/userguide/format_parse/messages/.
  * @param locale a `string` defining the locale to use (uses the current {@link LOCALE_ID} by
  * default).
  */
  