Zabbix

...G...... [DEV-1422] reimplemented vfs.file.regmatch in go for agent2

* commit 'cffd4ad32714aacc735f7089715a94b9d52e69ec':
  .......... [DEV-1422] merge conflicts
  ...G...... [DEV-1422] do regex compilation once
  ...G...... [DEV-1422] fix conflicts 2
  ...G...... [DEV-1422] added BOM processing
  ...G...... [DEV-1422] reimplemented vfs.file.regmatch in go for agent2

(cherry picked from commit dfa99d2df8d9ec5ef28b7c570ffde72a55650656)