chore(deps): update grafana/loki docker tag to v2.9.17 (#126)

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

Author: renovate[bot]

build-images.sh

@@ -11,7 +11,7 @@ repobase="${REPOBASE:-ghcr.io/nethserver}"
 reponame="nethsecurity-controller"
 controller_version="2.1.1"
 promtail_image="docker.io/grafana/promtail:3.5.6"
-loki_image="docker.io/grafana/loki:2.9.15"
+loki_image="docker.io/grafana/loki:2.9.17"
 prometheus_image="docker.io/prom/prometheus:v3.5.0"
 grafana_image="docker.io/grafana/grafana:12.2.0"
 timescale_image="docker.io/timescale/timescaledb:2.22.1-pg16"