paralellize requests to inprov and reporting provider

brian_dashboard_manager/data.py

+import asyncio
 import dataclasses
 import logging
 from collections import defaultdict
@@ -226,17 +227,23 @@ class BrianData:
         reporting_provider = HttpClient(
             base_url=config["reporting_provider"],
         )
+        async with asyncio.TaskGroup() as tg:
+            services = tg.create_task(get_services(reporting_provider))
+            interfaces = tg.create_task(get_interfaces(inventory_provider))
+            regions = tg.create_task(get_nren_regions(inventory_provider))
+            gws_direct_data = tg.create_task(get_gws_direct(inventory_provider))
+            gws_indirect_data = tg.create_task(get_gws_indirect(inventory_provider))
+            eumetsat_multicast_data = tg.create_task(
+                get_eumetsat_multicast_subscriptions(inventory_provider)
+            )
 
-        # TODO: make concurrent
         return BrianData(
-            services=await get_services(reporting_provider),
-            interfaces=await get_interfaces(inventory_provider),
-            regions=await get_nren_regions(inventory_provider),
-            gws_direct_data=await get_gws_direct(inventory_provider),
-            gws_indirect_data=await get_gws_indirect(inventory_provider),
-            eumetsat_multicast_data=await get_eumetsat_multicast_subscriptions(
-                inventory_provider
-            ),
+            services=services.result(),
+            interfaces=interfaces.result(),
+            regions=regions.result(),
+            gws_direct_data=gws_direct_data.result(),
+            gws_indirect_data=gws_indirect_data.result(),
+            eumetsat_multicast_data=eumetsat_multicast_data.result(),
         )