firewall4: update to Git HEAD (2025-03-17)

firewall4: update to Git HEAD (2025-03-17)

b6e5157527d3 fw4: fix reading kernel version
42d3b3d4ca21 fw4: allow family any for ipsets not matching IP addresses
edfdfc6df484 Revert "fw4: allow family any for ipsets not matching IP addresses"
97962771aa3c config: drop to-be-forwarded-nowhere packets on wans
00fc6943a297 init: remove unnecessary stop logic
ad3cba79c192 fw4: allow family any for ipsets not matching IP addresses

Signed-off-by: Mieczyslaw Nalewaj <namiltd@yahoo.com>
[fix PKG_MIRROR_HASH]
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/18283
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>