prevent warning about characters in inventory

ansible/ansible.cfg

@@ -7,6 +7,7 @@ ask_pass=False
 forks=30
 
 host_key_checking=False
+force_valid_group_names=ignore
 
 # Stuff for Dynamic Inventories
 fast_caching = ansible.builtin.jsonfile
@@ -18,4 +19,4 @@ cache = yes
 cache_connection = /tmp/ansible_inventory
 
 [inventory_plugins]
-use_extra_vars = true
+use_extra_vars = true