graphics/pecl-imagick: bump PORTREVISION

There are reported crashes with PHP 8.3 + pecl-imagick running as
PHP-FPM service. Based on another report like PR 280756, private
reports and a report in the mailing list I think we need to bump
PORTREVISION again. And probably in quarterly too.

PR: 283145
See also: 280756
See also: https://lists.freebsd.org/archives/freebsd-ports/2024-November/006946.html
MFH: 2024Q4

(cherry picked from commit 5462803810513ae6f09d665be9093adf4330e502)