usteer: update to Git HEAD (2026-05-19)

7532e12 ubus: added reassoc_delay and reason code
7b1379a policy: add dynamic signal threshold to band-steering
094c469 ubus: DEAUTH reason more accurate
49ba5f1 policy: optimized steering with different levels of aggressiveness
0beb2c9 local_node: handle NULL sta_addr by freeing query memory
1a2f171 policy: fix logic in load comparison for node selection

Signed-off-by: Jan Froch <jan@froch.eu>

Author: JFroch

net/usteer/Makefile

@@ -3,13 +3,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=usteer
-PKG_SOURCE_DATE:=2025-10-04
-PKG_SOURCE_VERSION:=1d6524c6e6b58853f053c7816249a8f68ad9b0e8
+PKG_SOURCE_DATE:=2026-05-19
+PKG_SOURCE_VERSION:=7532e1252fb937fe34b6da05e86fd34babd91ef5
 PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=https://git.openwrt.org/project/usteer.git
-PKG_MIRROR_HASH:=5f0525c441a023c07e6cb1b9e895ee0fdd84cd67043a905c2954caaa934e4eb8
+PKG_MIRROR_HASH:=7d49d3659c07bebb9c9f68953bbf074840f83de4d38b578e08672b3029506088
 
 PKG_MAINTAINER:=David Bauer <mail@david-bauer.net>
 PKG_LICENSE:=GPL-2.0-only