counters: Match the default configuration to the real production url

Useful for the dev environments (a connection to the vpn is needed)

swh/web/config.py

@@ -117,7 +117,10 @@ DEFAULT_CONFIG = {
     "es_workers_index_url": ("string", ""),
     "history_counters_url": (
         "string",
-        "https://stats.export.softwareheritage.org/history_counters.json",
+        (
+            "http://counters1.internal.softwareheritage.org:5011"
+            "/counters_history/history.json"
+        ),
     ),
     "client_config": ("dict", {}),
     "keycloak": ("dict", {"server_url": "", "realm_name": ""}),