[Minor] rbl: fix warning

[Test] statistics: per-user

Issue: #4786
Closes: #4786

[Fix] Replace comment types

Rspamd fails to start with Lua-5.1 because long comment does not allow
nesting, see [1]. This change replaces it to short comments in order to
fix the issue but preserves this part as comment in docs.

[1] https://www.lua.org/manual/5.1/manual.html#7.1

Bug: https://bugs.gentoo.org/922522
Fixes: b189c9fea6 ("[Minor] lua_maps docs: apply formatting")
Fixes: https://github.com/rspamd/rspamd/issues/4784

* [Project] Rspamadm fuzzyping command
* [Project] Use Redis scripts for Bayes statistics and cache
* [Project] Support  JSON logging
* [CritFix] - Fix reported length of logging structure
* [Feature] Allow to set `max_users` for Redis bayes backend
* [Feature] Escape JSON when needed
* [Feature] Proxy: Allow `encrypted_only` option
* [Feature] Reiterate on gtube patterns
* [Feature] Support ping command in fuzzy storage
* [Feature] Support suppressing DMARC reporting for particular recipients
* [Feature] rbl: support disabling or replacing url_whitelist per RBL
* [Fix] Another try to fix setproctitle
* [Fix] Cleanup session on exit
* [Fix] Do not cleanup hyperscan files unless new ones are loaded
* [Fix] Fix bad access when printing pending events on failure path
* [Fix] Fix issues with the raw header on header insertion/modification
* [Fix] Fix overflow in fuzzy_stats command
* [Fix] Fix some corner cases when parsing maps with no newlines
* [Fix] Fix various issues with canonicalisation of the paths
* [Fix] Fix wrong raw_len usage
* [Fix] Make words selection random deterministic upon content
* [Fix] Properly set config field when creating tasks from Lua
* [Fix] Really fix the language detector statistical heuristic
* [Fix] Set loaded variable explicitly
* [Fix] dkim_signing: siging_table: lowercase before lookup
* [Fix] known_senders: fix config handling
* [Fix] rbl: fix `exclude_local`

[Fix] multimap: rawtext: use decoded parts

Issue: #4752

Issue: #4754

Rewrite redis_cache logic in statistics

[Test] Fix tests on Robot Framework 7.0

[Feature] Support suppressing DMARC reporting for particular recipients

[Test] Some more tests for logging

[WebUI] Normalize IPv4 for column sorting

[WebUI] Show message size in IEC (base 1024) units

[Fix] Fix an overzealous s/NULL/nullptr/g

Fix another dumb s/NULL/nullptr/g

Fixed an overzealous s/NULL/nullptr/g