Change observability service ports and add Arrtrix content management

- Update ports for Alloy, Grafana, Loki, Prometheus, Promtail, Tempo,
  and
  Uptime Kuma to new ranges
- Add Arrtrix content management commands and subscriptions
- Implement Radarr and Sonarr client logic for movie and series
  management
- Add matrix commands for download and subscription management
- Add subscription repository with database schema and logic
- Update Arrtrix config and example config for content section
- Update help text and command processor to include new commands
- Update vendor hash for Arrtrix package

modules/nixos/services/observability/promtail/default.nix

@@ -25,7 +25,7 @@ in {
 
       configuration = {
         server = {
-          http_listen_port = 9004;
+          http_listen_port = 9400;
           grpc_listen_port = 0;
         };
 
@@ -35,7 +35,7 @@ in {
 
         clients = [
           {
-            url = "http://[::1]:9003/loki/api/v1/push";
+            url = "http://[::1]:9300/loki/api/v1/push";
           }
         ];
 
@@ -60,6 +60,6 @@ in {
       };
     };
 
-    networking.firewall.allowedTCPPorts = [9004];
+    networking.firewall.allowedTCPPorts = [9400];
   };
 }