swupdate_git: bump to last commit

Signed-off-by: Stefano Babic <stefano.babic@swupdate.org>

recipes-support/swupdate/swupdate_git.bb

@@ -2,5 +2,5 @@ require swupdate.inc
 
 DEFAULT_PREFERENCE = "-1"
 
-SRCREV ?= "2196dcfbc39c3c30320309409e6fc875d42cd8d4"
+SRCREV ?= "d6a0214833614914579a4700e636bad73a169122"
 PV = "2026.05+git${SRCPV}"