Add EE support, support GHA in current_container_facts (#336)

* Try adding EE support.

* Use GHA instead of AZP for EE tests.

* Update changelog fragment, extend tests.

* Disable current_container_facts test.

* Increase verbosity.

* 2.9 compatibility.

* Use docker instead of podman for building EE and running tests in it.

* Output some more information (helpful for debugging).

* Fix GHA handling for current_container_facts.

* Try to fix permissions.

tests/ee/all.yml

@@ -0,0 +1,15 @@
+- hosts: localhost
+  vars:
+    docker_test_image_alpine: quay.io/ansible/docker-test-containers:alpine3.8
+  tasks:
+    - name: Find all roles
+      find:
+        paths:
+          - "{{ (playbook_dir | default('.')) ~ '/roles' }}"
+        file_type: directory
+        depth: 1
+      register: result
+    - name: Include all roles
+      include_role:
+        name: "{{ item }}"
+      loop: "{{ result.files | map(attribute='path') | map('regex_replace', '.*/', '') | sort }}"