feat(system-upgrades): Install Kubernetes 1.26.7

infrastructure/system-upgrades/kubernetes.yaml

@@ -82,8 +82,8 @@ spec:
       - key: feature.node.kubernetes.io/system-os_release.VERSION_ID.major
         operator: In
         values:
-          - "36"
           - "37"
+          - "38"
       - key: node-role.kubernetes.io/control-plane
         operator: Exists
   serviceAccountName: system-upgrade
@@ -94,7 +94,7 @@ spec:
     deleteLocalData: true
     ignoreDaemonSets: true
     force: false
-  version: "1.26.6"
+  version: "1.26.7"
   upgrade:
-    image: docker.io/library/fedora:37
+    image: docker.io/library/fedora:38
     command: ["sh", "/host/run/system-upgrade/secrets/kubernetes-upgrade/upgrade.sh"]