lang/php83: update to 8.3.1

PHP 8.3.1 (2023-12-21)

- Core:
  . Fixed bug GH-12758 / GH-12768 (Invalid opline in OOM handlers within
    ZEND_FUNC_GET_ARGS and ZEND_BIND_STATIC). (Florian Engelhardt)
  . Fix various missing NULL checks. (nielsdos, dstogov)
  . Fixed bug GH-12835 (Leak of call->extra_named_params on internal __call).
    (ilutov)
  . Fixed bug GH-12826 (Weird pointers issue in nested loops). (nielsdos)

- FPM:
  . Fixed bug GH-12705 (Segmentation fault in fpm_status_export_to_zval).
    (Patrick Prasse)

- FTP:
  . Fixed bug GH-9348 (FTP & SSL session reuse). (nielsdos)

- LibXML:
  . Fixed test failures for libxml2 2.12.0. (nielsdos)

- MySQLnd:
  . Avoid using uninitialised struct. (mikhainin)
  . Fixed bug GH-12791 (Possible dereference of NULL in MySQLnd debug code).
    (nielsdos)

- Opcache:
  . Fixed JIT bug (Function JIT emits "Uninitialized string offset" warning
    at the same time as invalid offset Error). (Girgias)
  . Fixed JIT bug (JIT emits "Attempt to assign property of non-object"
    warning at the same time as Error is being thrown). (Girgias)

- PDO PGSQL:
  . Fixed the default value of $fetchMode in PDO::pgsqlGetNotify() (kocsismate)

- SOAP:
  . Fixed bug GH-12838 ([SOAP] Temporary WSDL cache files not being deleted).
    (nielsdos)

- Standard
  . Fixed GH-12745 (http_build_query() default null argument for $arg_separator
    is implicitly coerced to string). (Girgias)

(taca)