Log Message:
lang/php81: update to 8.1.1

16 Dec 2021, PHP 8.1.1

- IMAP:
  . Fixed bug #81649 (imap_(un)delete accept sequences, not single numbers).
    (cmb)

- PCRE:
  . Update bundled PCRE2 to 10.39. (cmb)
  . Fixed bug #74604 (Out of bounds in php_pcre_replace_impl). (cmb, Dmitry)

- Standard:
  . Fixed bug #81659 (stream_get_contents() may unnecessarily overallocate).
    (cmb)