knot-resolver: update to version 5.7.4

knot-resolver: update to version 5.7.4

Knot Resolver 5.7.4 (2024-07-23)
================================

Security
--------
- reduce buffering of transmitted data, especially TCP-based in userspace
  Also expose some of the new tweaks in lua:
   (require 'ffi').C.the_worker.engine.net.tcp.user_timeout = 1000
   (require 'ffi').C.the_worker.engine.net.listen_{tcp,udp}_buflens.{snd,rcv}

Improvements
------------
- add the fresh DNSSEC root key KSK-2024 already, Key ID 38696

Incompatible changes
--------------------
- libknot 3.0.x support is dropped
  Upstream last maintained 3.0.x in spring 2022.

Knot Resolver 5.7.3 (2024-05-30)
================================

Improvements
------------
- stats: add separate metrics for IPv6 and IPv4

Bugfixes
--------
- fix NSEC3 records missing in answer for positive wildcard expansion
  with the NSEC3 having over-limit iteration count

Knot Resolver 5.7.2 (2024-03-27)
================================

Bugfixes
--------
- fix on 32-bit systems with 64-bit time_t

Signed-off-by: Jan Hák <redacted>