documentation

Pull request #1201: feature/ZBX-22415-7.0-D2: Added instructions on how to update existing vault configuration (HashiCorp, CyberArk).

Merge in WEB/documentation from feature/ZBX-22415-7.0-D2 to release/7.0

* commit 'c93ce37c7df3791f05596a1e0587c79e5b9c879b':
  [ZBX-22415] Updated note on Vault secret macro values (CyberArk, HashiCorp)
  [ZBX-22415] Added note on Vault secret macro values (CyberArk, HashiCorp)
  [ZBX-22415] Reverted "secret/foo" to "secret/zabbix"
  [ZBX-22415] Removed macros-specific syntax from vault DB path (CyberArk)
  [ZBX-22415] Updated instructions on configuring frontend (HashiCorp)
  [ZBX-22415] Updated instructions on how to update existing vault configuration (HashiCorp, CyberArk)
  [ZBX-22415] Added instructions on how to update existing vault configuration (HashiCorp, CyberArk)
  [ZBX-22415] Added configuration step numeration (HashiCorp, CyberArk)
  [ZBX-22415] Updated grammar & formatting (HashiCorp, CyberArk)