Update ansible-core to be an option dependency

Removes restriction on destination environment, allowing users to use
the same version of ansible with this script as they use for everything else

tox.ini

@@ -7,6 +7,8 @@ skip_missing_interpreters = true
 description = Run the tests
 require_locked_deps = true
 require_poetry = true
+extras =
+    ansible
 locked_deps =
     pytest
     pytest-cov