Adoption of PHP 8

List of aports that have php extension dependencies

• icingaweb2 (php7-pecl-imagick)
• phabricator (php7-pecl-apcu)
• zoneminder (php7-pecl-apcu)
• nextcloud19, nextcloud, litespeed (php7-pecl-mcrypt)
• ...

Here's a list of aports to add

• php7-pecl-mcrypt !15041 (merged)
• php7-pecl-imagick !15061 (merged) - https://github.com/Imagick/imagick/issues/358
• move php 8 into community !15226 (merged)
• move to community a minimal set of extensions: apcu, igbinary, imagick, mcrypt, memcache, msgpack, redis, xdebug, yaml !15329 (merged)
• update wiki https://wiki.alpinelinux.org/wiki/Draft_Release_Notes_for_Alpine_3.13.0