* feat: Support Ubuntu21
* feat(report): Send report via Google Chat
* feat(report): Send report via Google Chat
* Snip too long message as (The rest is omitted).
* sorry for mixed feat-ubuntu21 branch. exlucded it
* append diff, attack vector and exploits info
* add ServerName filter by regexp
* rename variables and rewrite validators
* fix renaming miss
* fix renaming miss, again
