don't use the global collections by default

Since this installs its own collections, let's avoid stomping on things
with other work the user might have going on.

ansible/playbooks/ansible.cfg

@@ -15,6 +15,8 @@ callbacks_enabled = profile_tasks
 deprecation_warnings = False
 inventory_ignore_extensions = ~, .orig, .bak, .ini, .cfg, .retry, .pyc, .pyo, .creds, .gpg, .example
 enable_plugins = host_list, script, auto, yaml, ini, toml
+# install and use local collections instead of global
+collections_paths = ./collections/ansible_collections
 
 [inventory]
 ignore_patterns = artifacts, credentials