(grafana-dashboards): update dashboard kubernetes / system / coredns ( 18 → 19 )

[unsc-oni-ancilla]

This PR contains the following updates:

Package	Update	Change
Kubernetes / System / CoreDNS	major	18 -> 19

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[github-actions]

--- kubernetes/apps/observability/grafana/app Kustomization: flux-system/grafana HelmRelease: observability/grafana

+++ kubernetes/apps/observability/grafana/app Kustomization: flux-system/grafana HelmRelease: observability/grafana

@@ -130,13 +130,13 @@

           datasource: Prometheus
           gnetId: 15761
           revision: 18
         kubernetes-coredns:
           datasource: Prometheus
           gnetId: 15762
-          revision: 18
+          revision: 19
         kubernetes-global:
           datasource: Prometheus
           gnetId: 15757
           revision: 42
         kubernetes-namespaces:
           datasource: Prometheus

[github-actions]

--- HelmRelease: observability/grafana ConfigMap: observability/grafana

+++ HelmRelease: observability/grafana ConfigMap: observability/grafana

@@ -153,13 +153,13 @@

     ,/g' \\\n> \"/var/lib/grafana/dashboards/flux/flux-logs.json\"\n  \ncurl -skf\
     \ \\\n--connect-timeout 60 \\\n--max-time 60 \\\n-H \"Accept: application/json\"\
     \ \\\n-H \"Content-Type: application/json;charset=UTF-8\" \\\n  \"https://grafana.com/api/dashboards/15761/revisions/18/download\"\
     \ \\\n  | sed '/-- .* --/! s/\"datasource\":.*,/\"datasource\": \"Prometheus\"\
     ,/g' \\\n> \"/var/lib/grafana/dashboards/kubernetes/kubernetes-api-server.json\"\
     \n  \ncurl -skf \\\n--connect-timeout 60 \\\n--max-time 60 \\\n-H \"Accept: application/json\"\
-    \ \\\n-H \"Content-Type: application/json;charset=UTF-8\" \\\n  \"https://grafana.com/api/dashboards/15762/revisions/18/download\"\
+    \ \\\n-H \"Content-Type: application/json;charset=UTF-8\" \\\n  \"https://grafana.com/api/dashboards/15762/revisions/19/download\"\
     \ \\\n  | sed '/-- .* --/! s/\"datasource\":.*,/\"datasource\": \"Prometheus\"\
     ,/g' \\\n> \"/var/lib/grafana/dashboards/kubernetes/kubernetes-coredns.json\"\n\
     \  \ncurl -skf \\\n--connect-timeout 60 \\\n--max-time 60 \\\n-H \"Accept: application/json\"\
     \ \\\n-H \"Content-Type: application/json;charset=UTF-8\" \\\n  \"https://grafana.com/api/dashboards/15757/revisions/42/download\"\
     \ \\\n  | sed '/-- .* --/! s/\"datasource\":.*,/\"datasource\": \"Prometheus\"\
     ,/g' \\\n> \"/var/lib/grafana/dashboards/kubernetes/kubernetes-global.json\"\n\