aurweb: Skip commit validation if we are not on prod

This makes it so that you don't need to be in the list of trusted GPG keys aurweb_pgp_keys in order to start a test instance for the AUR. I think aurweb_pgp_keys should only be for people wanting to deploy this to production.

roles/aurweb/templates/config.j2

@@ -78,5 +78,7 @@ error-token = {{ vault_aurweb_error_token }}
 [fastapi]
 session_secret = {{ vault_aurweb_secret }}
 
+{% if aurweb_environment_type == "prod" %}
 [tracing]
 otlp_endpoint = http://{{ hostvars['monitoring.archlinux.org']['wireguard_address'] }}:4318/v1/traces
+{% endif %}