chore(deps): update dependency nethserver/nethsecurity-controller to v2.3.9 (#238)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

build-images.sh

@@ -9,7 +9,7 @@ images=()
 repobase="${REPOBASE:-ghcr.io/nethserver}"
 # Configure the image name
 reponame="nethsecurity-controller"
-controller_version="2.3.8"
+controller_version="2.3.9"
 promtail_image="docker.io/grafana/promtail:3.6.11"
 loki_image="docker.io/grafana/loki:2.9.17"
 prometheus_image="docker.io/prom/prometheus:v3.10.0"