fix(helm-metrics): Flag format for promExporter changed (#12010)

Author: kiblik

helm/defectdojo/templates/django-deployment.yaml

@@ -136,7 +136,7 @@ spec:
       - name: metrics
         image: {{ .Values.monitoring.prometheus.image }}
         imagePullPolicy: {{ .Values.monitoring.prometheus.imagePullPolicy }}
-        command: [ '/usr/bin/nginx-prometheus-exporter', '-nginx.scrape-uri', 'http://127.0.0.1:8080/nginx_status']
+        command: [ '/usr/bin/nginx-prometheus-exporter', '--nginx.scrape-uri', 'http://127.0.0.1:8080/nginx_status']
         ports:
         - name: http-metrics
           protocol: TCP