change temporary vars to private vars

tasks/configure.yml

@@ -2,14 +2,14 @@
 
 - name: "workaround of bug/issue #47023"
   set_fact:
-    auth_pkg_pkgs: "{{ package_packages }}"
-    auth_pkg_srvs: "{{ package_services }}"
-    auth_pkg_mgr: "{{ package_pkg_mgr }}"
+    _auth_pkg_pkgs: "{{ package_packages }}"
+    _auth_pkg_srvs: "{{ package_services }}"
+    _auth_pkg_mgr: "{{ package_pkg_mgr }}"
 
 - include_role:
     name: package
     tasks_from: configure
   vars:
-    package_packages: "{{ auth_pkg_pkgs }}"
-    package_services: "{{ auth_pkg_srvs }}"
-    package_pkg_mgr: "{{ auth_pkg_mgr }}"
+    package_packages: "{{ _auth_pkg_pkgs }}"
+    package_services: "{{ _auth_pkg_srvs }}"
+    package_pkg_mgr: "{{ _auth_pkg_mgr }}"