fix(k8s): move file in correct section (#4220)

Author: SamyOubouaziz

menu/navigation.json

@@ -1802,6 +1802,10 @@
                     "label": "Monitoring clusters",
                     "slug": "cluster-monitoring"
                   },
+                  {
+                    "label": "Deploying External Secrets on Kubernetes Kapsule",
+                    "slug": "external-secrets-kubernetes"
+                  },
                   {
                     "label": "Managing tags",
                     "slug": "managing-tags"
@@ -1880,10 +1884,6 @@
                     "label": "Using the Kapsule autoheal feature",
                     "slug": "using-kapsule-autoheal-feature"
                   },
-                  {
-                    "label": "Deploying External Secrets on Kubernetes Kapsule",
-                    "slug": "external-secrets-kubernetes"
-                  },
                   {
                     "label": "Wildcard DNS routing",
                     "slug": "wildcard-dns"