Attempt to fix ansible_facts deprecation warnings.

tasks/include-vars.yml

@@ -2,7 +2,7 @@
 - name: Load a variable file based on the OS type, or a default if not found.
   include_vars: "{{ item }}"
   with_first_found:
-    - "{{ ansible_distribution }}-{{ ansible_distribution_version }}.yml"
-    - "{{ ansible_distribution }}.yml"
-    - "{{ ansible_os_family }}.yml"
+    - "{{ ansible_facts.distribution }}-{{ ansible_facts.distribution_version }}.yml"
+    - "{{ ansible_facts.distribution }}.yml"
+    - "{{ ansible_facts.os_family }}.yml"
     - "default.yml"

tasks/install-with-snap.yml

@@ -16,7 +16,7 @@
     src: /var/lib/snapd/snap
     dest: /snap
     state: link
-  when: ansible_os_family != "Debian"
+  when: ansible_facts.os_family != "Debian"
 
 - name: Update snap after install.
   shell: snap install core; snap refresh core

tasks/main.yml

@@ -2,7 +2,7 @@
 - import_tasks: include-vars.yml
 
 - import_tasks: setup-RedHat.yml
-  when: ansible_os_family == 'RedHat'
+  when: ansible_facts.os_family == 'RedHat'
 
 - import_tasks: install-with-package.yml
   when: certbot_install_method == 'package'