community/zoneminder: upgrade to 1.36.12 and use php8
- supports php 8.0 since https://github.com/ZoneMinder/zoneminder/releases/tag/1.34.24
- should work faster on newer php, php8-json is bundled now
- php7 will be moved to testing soon
part of #13248 (closed)
Edited by Andy Postnikov