fix templating from top-level code; allows jinja to find prometheus_node_exporter_targets

Author: sjpb

environments/arcus/ansible.cfg

@@ -8,6 +8,7 @@ host_key_checking = False
 inventory = ../common/inventory,inventory
 collections_path = ../../ansible/collections
 roles_path = ../../ansible/roles
+filter_plugins = ../../ansible/filter_plugins/
 
 [ssh_connection]
 ssh_args = -o ControlMaster=auto -o ControlPersist=240s -o PreferredAuthentications=publickey -o UserKnownHostsFile=/dev/null