open issue for kub 1.28 upgrade for cijioagent1 (#508)

* open issue for kub 1.28 upgrade for cijioagent1

* fix

* fix

content/issues/2024-06-25-maintenance-aks-k8s-cijioa-1-28.md

@@ -0,0 +1,22 @@
+---
+title: ci.jenkins.io operation on container agents (Kubernetes 1.28)
+date: 2024-06-25T08:00:00-00:00
+resolved: false
+# resolvedWhen: 2024-06-25T08:00:00-00:00
+# Possible severity levels: down, disrupted, notice
+severity: down
+affected:
+  - ACP for the cluster
+  - ci agents in cluster cijenkinsioagents1
+  - ci agents for bom in cluster cijenkinsioagents1
+section: issue
+
+---
+<!--
+[Final message]
+
+Upgrade finished.
+
+[Initial message] -->
+We're (infra team) doing an AKS clusters upgrade from 1.27 to 1.28 the Thuesday 25th of June 2024, starting at 08:00 UTC (10h paris time).
+It will impact the ci.jenkins.io container agents (both `jnlp-linux-*` and `jnlp-bom` templates) but the VM agents will still be available.