Zabbix

...G.....T [ZBXNEXT-7065] added queries metrics to postgresql by agent2 template

Merge in ZBX/zabbix from feature/ZBXNEXT-7065-6.0 to release/6.0

* commit 'f898785b321f91f05df791cf4434747d2393c026':
  ...G...... [ZBXNEXT-7065] fixed line length issue for query in go code
  ...G.....T [ZBXNEXT-7065] fixed spelling mistake
  ...G.....T [ZBXNEXT-7065] updated postgres plugin readme
  ...G.....T [ZBXNEXT-7065] added queries metrics to postgresql by agent2 template
  ...G.....T [ZBXNEXT-7065] added queries metrics to postgresql by agent2 template
  ...G.....T [ZBXNEXT-7065] added queries metrics to postgresql by agent2 template
  ...G.....T [ZBXNEXT-7065] added queries metrics to postgresql by agent2 template