Log Message:
mail/php-mailparse: update to 3.1.3

3.1.2 (2021-09-01)

* Fix for PHP 8.1

3.1.3 (Fix for PHP 8.1)

* Fix #73110: Mails with unknown MIME version are treated as
  plain/text. (cmb)

* Fix #74233: Parsing multi Content-Disposition causes memory leak. (cmb)

* Fix #75825: mailparse_uudecode_all doesn't parse multiple files. (cmb)

* Fix #81422: Potential double-free in mailparse_uudecode_all(). (cmb)

* Fix gh#19 Segmentation fault with PHP 8.1 in extract_body using
  MAILPARSE_EXTRACT_RETURN. (Remi)