1.13.4

This is a general release of all packages in the monorepo.
You may use individual packages by installing them via composer: composer require zf1s/zend-* - see README.

• zend-db
  • Fix Zend_Db_Adapter_Pdo_Pgsql being broken on Postgres 12 that removed d.adsrc (#29)
• zend-xml
  • fix version comparison operator (#26)
  • php 8 compatibility: wrap deprecated libxml_disable_entity_loader() (#27)