Merge branch '430.fewer-alerts-please' into 'develop'

Increase downtime before alert for ProbeFails and ScrapingDown

See merge request !307

nixos/modules/monitoring/server/grafana-dashboards/meta-monitoring.json

@@ -48,7 +48,7 @@
           }
         ],
         "executionErrorState": "alerting",
-        "for": "5m",
+        "for": "10m",
         "frequency": "1m",
         "handler": 1,
         "name": "Scraping down",

nixos/modules/monitoring/server/grafana-dashboards/services-overview.json

@@ -185,7 +185,7 @@
           }
         ],
         "executionErrorState": "alerting",
-        "for": "5m",
+        "for": "10m",
         "frequency": "1m",
         "handler": 1,
         "name": "Probe fails alert",