Zabbix

.......PS. [ZBX-21073] added support of Int8Array(), Buffer() and also duktape plain buffers in md5, sha256 and hmac function parameters

Merge in ZBX/zabbix from feature/ZBX-21073-6.1 to master

* commit 'f9391e9172a5628c4e3c9064b4572afe413723de':
  .......PS. [ZBX-21073] changed function to static
  .......PS. [ZBX-21073] added support of Int8Array(), Buffer() and also duktape plain buffers in hmac function parameters
  .......PS. [ZBX-21073] added support of Int8Array(), Buffer() and also duktape plain buffers in hmac() function parameters
  .D........ [ZBX-21073] added changelog entry
  .......PS. [ZBX-21073] added support for Int8Array(), Buffer() and also duktape plain buffers in md5 and sha256 function parameters