Fix wrong username/password variables

tasks/gather_jenkins_facts.yml

@@ -25,8 +25,8 @@
     uri:
       url: "{{ jenkins_facts_jenkins_base_url }}/crumbIssuer/api/xml?xpath=concat(//crumbRequestField,\":\",//crumb)"
       force_basic_auth: true
-      user: "{{ jenkins_pipeline_library_it_admin_username }}"
-      password: "{{ jenkins_pipeline_library_it_admin_password }}"
+      user: "{{ jenkins_facts_admin_username }}"
+      password: "{{ jenkins_facts_admin_password }}"
       return_content: yes
     register: _jenkins_facts_csrf_crumb_result