Add timeout for Icinga install command

As the Icinga install command might drop to an interactive prompt if
some option is malformed, this timeout ensures that Ansible does not
idle indefinetely.

Author: Donien

roles/ifw/tasks/configure_icinga2.yml

@@ -128,5 +128,6 @@
   register: _assertion_result
 
 - name: Set up Icinga
+  timeout: 300
   when: _assertion_result.evaluated_to is defined
   ansible.windows.win_shell: "Install-Icinga -InstallCommand \"{{ _install_command }}\""