Zabbix

A.F.....S. [ZBXNEXT-10347] added ClickHouse history backend; improved server startup by enabling history bulk fetch with per-item limits for ClickHouse, Elasticsearch, MySQL, and PostgreSQL; optimized Elasticsearch by removing scroll context and reusing connections; fixed potential hang when using multi-handle in Elasticsearch

* commit '8fbb1f5f6c8139ee2c04bb8bfcf2257ad663364a': (670 commits)
  ........S. [ZBXNEXT-10347] fixed error messages
  ........S. [ZBXNEXT-10347] fixed error handling
  .D........ [ZBXNEXT-10347] fixed function headers
  ....I..... [ZBXNEXT-10347] fixed script exit code
  .......... [ZBXNEXT-10347] fixed integration test timeout
  .......... [ZBXNEXT-10347,DEV-4427] updated saml note to be same for generated zabbix.conf.php and zabbix.conf.php.example
  .......... [ZBXNEXT-10347,DEV-4427] added php examples of storage provider configurations
  ........S. [ZBXNEXT-10347] fixed handling of redirect
  .D........ [ZBXNEXT-10347] fixed clickhouse script message
  .......... [ZBXNEXT-10347] fixe integration test timeout
  .......... [DEV-4427] changed history label in Item card widget from 0 to Not stored
  ........S. [ZBXNEXT-10347] added minor style fixes
  ........S. [ZBXNEXT-10347] added minor style fixes
  ..F....... [ZBXNEXT-10347,DEV-4563] improved the display of information when the history retention period is unknown
  ..F....... [ZBXNEXT-10347,DEV-4563] improved the display of information when the history or trend retention period is disabled or unknown
  .......... [ZBXNEXT-10347] skip some tests for elasticsearch if not supported
  ..F....... [ZBXNEXT-10347,DEV-4563] reverted static variable initialization with declaration due incompatibility with minimum supported php version 8.2
  ........S. [ZBXNEXT-10347] fixed multi-line raw HTML response handling to clickhouse request
  ........S. [ZBXNEXT-10347] fixed multi-line raw HTML response handling to clickhouse request
  ..F....... [ZBXNEXT-10347,DEV-4563] minor refactoring in the CItemHelper::getStoragePeriods() method
  ...