Zabbix

..F.I..PS. [ZBXNEXT-8570] removed support for TimescaleDB v1

Merge in ZBX/zabbix from feature/ZBXNEXT-8570-6.5 to master

* commit '6de1e700f57848b2e7deeaddab381b62c3857b85':
  .......... [ZBXNEXT-8570] fixed ChangeLog entry
  ....I..... [ZBXNEXT-8570] removed redundant variable from the primary key migration script
  ....I..... [ZBXNEXT-8570] removed redundant check for TimescaleDB version older than 2 from the primary key migration script
  .......... [ZBXNEXT-8570] removed redundant variable initialization
  ....I..... [ZBXNEXT-8570] fixed minimum versions in timescaledb.sql
  .......... [ZBXNEXT-8570] fixed typos in comments
  ..F....... [ZBXNEXT-8570] removed support for TimescaleDB v1 from Frontend
  .......... [ZBXNEXT-8570] removed unused constant
  .......... [ZBXNEXT-8570] improved wording of the warning messages a bit
  .......... [ZBXNEXT-8570] fixed wording in the too new TimescaleDB version warning
  ........S. [ZBXNEXT-8570] removed support for TimescaleDB v1