/usr/share/ is in zabbix-proxy-mysql 1:1.8.11-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/dbconfig-common/
/usr/share/dbconfig-common/data/
/usr/share/dbconfig-common/data/zabbix-proxy-mysql/
/usr/share/dbconfig-common/data/zabbix-proxy-mysql/install/
/usr/share/dbconfig-common/data/zabbix-proxy-mysql/install/mysql
/usr/share/dbconfig-common/data/zabbix-proxy-mysql/upgrade/
/usr/share/dbconfig-common/data/zabbix-proxy-mysql/upgrade/mysql/
/usr/share/doc/
/usr/share/doc/zabbix-proxy-mysql/
/usr/share/doc/zabbix-proxy-mysql/copyright
/usr/share/doc/zabbix-proxy-mysql/changelog.Debian.gz
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/zabbix_get.1.gz
/usr/share/zabbix-proxy/
/usr/share/zabbix-proxy/zabbix_proxy.conf
/usr/share/zabbix-proxy/mysql.sql