ffda-node-whisperer: update to latest HEAD

Update the package to latest Git HEAD

c0f0954 monitor: ignore short non-gluon vendor IEs without logging an error (freifunk-gluon#13)
f3ab299 github: add dependabot configuration for actions
9338d25 ci: update all actions to the latest version
16d8cbe ci: allow triggering a workflow manually
8a1ba9d ci: track current gluon branches
71124ab Makefile: define GNU_SOURCE for monitor

Signed-off-by: David Bauer <mail@david-bauer.net>

Author: blocktrron

ffda-node-whisperer/Makefile

@@ -4,9 +4,9 @@ PKG_NAME:=ffda-node-whisperer
 PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_URL=https://github.com/blocktrron/node-whisperer.git
-PKG_SOURCE_DATE:=2024-11-09
-PKG_SOURCE_VERSION:=8f1e5560ce2e9319083004af4b6bfd87e4d246b3
+PKG_SOURCE_URL=https://github.com/freifunk-darmstadt/node-whisperer.git
+PKG_SOURCE_DATE:=2026-05-16
+PKG_SOURCE_VERSION:=c0f09545607006b8b8551a76a29d9f825f0dc128
 
 PKG_MAINTAINER:=David Bauer <mail@david-bauer.net>
 PKG_LICENSE:=GPL-2.0-or-later