fix: add kubelet tag in task of fetch facts to avoid kubelet config i…

…nconsistencies (kubernetes-sigs#10423)

when people run playbook with option `--tags=kubelet`, the kubelet config may changed, because some variables used in task populating `kubelet-config.yml`  could be different with running task(`Fetch facts`)

roles/kubernetes/node/tasks/main.yml

@@ -3,6 +3,7 @@
   import_tasks: facts.yml
   tags:
     - facts
+    - kubelet
 
 - name: Pre-upgrade kubelet
   import_tasks: pre_upgrade.yml