Bump to version 260a3a7

This includes the following changes:

260a3a7 util: getroot to return resolved root device path
3a26a20 Lua: getroot: Return resolved root device path
79cf0a0 util: get_root mountinfo symlink / container FS support
47e65c6 util: Factor out get_root_containerized_fs()
1270e64 server_hawkbit: fix channel deallocation leaks
ee7c238 server_hawkbit: fix NULL dereference
6388580 server_general: fix channel deallocation leaks
8dcf753 server_general: fix NULL dereference
1390e9d swupdate -i: remove cleanup_files call in main()
fdf9921 write_notify_msg: silence status client disappearing messages
da6eecf network_ipc: update swupdate_async_thread to use notify
8685713 ipc_notify_connect: fix return 0 when message was not acked
85b2842 ipc_notify_receive: add timeout_ms argument
5cad56b doc: add documentation for archive handler
db7fc69 Lua: fix getroot function's type detection

Signed-off-by: Stefano Babic <sbabic@denx.de>

recipes-support/swupdate/swupdate_git.bb

@@ -2,5 +2,5 @@ require swupdate.inc
 
 DEFAULT_PREFERENCE = "-1"
 
-SRCREV ?= "14d5d196304d408d61d4f1a07264f248201f46cc"
+SRCREV ?= "260a3a7840772fbd2baa53e45c794503560025f5"
 PV = "2021.11+git${SRCPV}"