Log Message:
rspamd: update to 2.2

upstream changes:
-----------------
    [Conf] Antivirus: Fix the default config
    [Feature] Add verdict library in lua
    [Feature] Allow exception when choosing upstream
    [Feature] Allow to disable symbols from the metric config
    [Feature] Allow to limit maps per specific worker
    [Feature] Always validate Rspamd protocol output
    [Feature] Antivirus: Add preliminary virustotal support
    [Feature] Clickhouse: Rework Clickhouse collection logic
    [Feature] Improve base64 usage
    [Feature] Shutdown timeout is now associated with task timeout
    [Fix] #3129 Multiple classifiers on redis working incorrectly
    [Fix] Allow real upstreams configuration
    [Fix] Another try to fix slow callbacks and timers
    [Fix] Check results of write message as SSL can bork them
    [Fix] Clickhouse: Avoid potential races in collection
    [Fix] Clickhouse: Fix periodic script
    [Fix] Fail DNS upstream on each retransmit attempt
    [Fix] Fix consistent hashing when upstreams are marked inactive
    [Fix] Fix issues found
    [Fix] Fix off-by-one in retries for the proxy
    [Fix] Fix termination
    [Fix] Fix upstreams exclusion logic
    [Fix] Fix utf8 validation for symbols options and empty strings
    [Fix] Oops, fix maps reload
    [Fix] Rbl: Allow utf8 lookups for IDN domains
    [Fix] Sigh, another try to fix brain-damaged openssl
    [Project] Add fast utf8 validation library
    [Project] Use own utf8 validation instead of glib
    [Rework] Another phase of finish actions rework
    [Rework] Further cmake system rework
    [Rework] Further isolation of the controller’s functions
    [Rework] Make cmake structure more modular
    [Rework] Move cmake modules to a dedicated path
    [Rework] Replace controller functions by any scanner worker if needed
    [Rework] Rework final scripts logic
    [Rework] Rewrite rspamd_str_make_utf_valid function