Removing all ansible-linter errors

ansible/roles/k3s/tasks/main.yaml

@@ -2,10 +2,13 @@
   ansible.builtin.get_url:
     url: https://get.k3s.io
     dest: /tmp
-  register: install_script
+    mode: "0644"
+  register: k3s_dl_install_script
 - name: Run installation script
   become: true
   environment:
-      INSTALL_K3S_EXEC: server
+    INSTALL_K3S_EXEC: server
   ansible.builtin.command:
-    cmd: sh {{ install_script.dest }}
+    cmd: sh {{ k3s_dl_install_script.dest }}
+  register: k3s_install_script
+  changed_when: k3s_install_script.rc == 0