chore(deps): update dependency kubeops.cli to v8.0.0-pre.19

Author: renovate[bot]

.config/dotnet-tools.json

@@ -7,7 +7,7 @@
       "commands": ["docfx"]
     },
     "kubeops.cli": {
-      "version": "8.0.0-pre.16",
+      "version": "8.0.0-pre.19",
       "commands": ["kubeops"]
     }
   }