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/sanity/ignore-2.10.txt

@@ -4,4 +4,5 @@
 .azure-pipelines/scripts/publish-codecov.py compile-3.5!skip # Uses Python 3.6+ syntax
 .azure-pipelines/scripts/publish-codecov.py future-import-boilerplate
 .azure-pipelines/scripts/publish-codecov.py metaclass-boilerplate
+plugins/modules/current_container_facts.py validate-modules:return-syntax-error
 plugins/modules/docker_container.py use-argspec-type-path # uses colon-separated paths, can't use type=path

tests/sanity/ignore-2.11.txt

@@ -4,4 +4,5 @@
 .azure-pipelines/scripts/publish-codecov.py compile-3.5!skip # Uses Python 3.6+ syntax
 .azure-pipelines/scripts/publish-codecov.py future-import-boilerplate
 .azure-pipelines/scripts/publish-codecov.py metaclass-boilerplate
+plugins/modules/current_container_facts.py validate-modules:return-syntax-error
 plugins/modules/docker_container.py use-argspec-type-path # uses colon-separated paths, can't use type=path

tests/sanity/ignore-2.12.txt

@@ -1,2 +1,3 @@
 .azure-pipelines/scripts/publish-codecov.py replace-urlopen
+plugins/modules/current_container_facts.py validate-modules:return-syntax-error
 plugins/modules/docker_container.py use-argspec-type-path # uses colon-separated paths, can't use type=path