rspamd: update to 3.7.5.

3.7.5: 15 Dec 2023
  * Add support for loongarch
  * [Fix] Fix rspamadm lua logger
  * [Fix] Fix systemd logging
  * [Fix] dkim_signing: siging_table: lowercase before lookup
  * [Minor] Fix build with no hyperscan
  * [Minor] Try improve test stability
  * [Test] Fix tests on rspamd-3.7

3.7.4: 14 Nov 2023
  * [Enhancement] Add composite rule for suspicious URLs in suspicious messages
  * [Fix] Another try to fix setproctitle
  * [Fix] Do not cleanup hyperscan files unless new ones are loaded
  * [Fix] Fix various issues with canonicalisation of the paths
  * [Fix] Properly set config field when creating tasks from Lua
  * [Fix] Set loaded variable explicitly
  * [Fix] known_senders: fix config handling
  * [Fix] rbl: fix `exclude_local`
  * [Minor] Add missing <algorithm> include for gcc 14
  * [Minor] Add rule for messages missing both X-Mailer and User-Agent header
  * [Minor] Bundle fasttext as linux distributives are just useless
  * [Minor] Enable fasttext on RPM based linux
  * [Minor] Forgot it in one more place
  * [Minor] Improve FREEMAIL_AFF capture rates
  * [Minor] Limit fasttext to amd64 only
  * [Minor] Properly search for fasttext include
  * [Minor] Treat *.zpaq attachments as archives and harmful
  * [Minor] Update to 3.7.4
  * [Minor] force_actions: set a group for symbols
  * [WebUI] Update map editor

(wiz)