fix: update compose submodule to network creation fix

Updates assets/compose submodule to 8f09b43 which:

- Integrates uv pip install of openai and mautrix[encryption] into entrypoint
- Adds persistent volume mount for /opt/hermes/.venv
- Replaces matrix-nio with mautrix[encryption] for Matrix bridge

hosts/lazyworkhorse/configuration.nix

@@ -342,44 +342,6 @@
     HIP_VISIBLE_DEVICES = "0,1";
   };
 
-  # ── UPS (Uninterruptible Power Supply) ──────────────────────────────
-  # APC Back-UPS BVK1200M2 connected via USB (vendor 051d, product 0002)
-  power.ups = {
-    enable = true;
-    mode = "standalone";
-
-    ups = {
-      apc-backups = {
-        driver = "usbhid-ups";
-        port = "auto";
-        description = "APC Back-UPS BVK1200M2";
-      };
-    };
-
-    upsd = {
-      listen = [{
-        address = "127.0.0.1";
-      }];
-    };
-
-    users = {
-      nutmon = {
-        passwordFile = pkgs.writeText "ups-nutmon-password" "ups-nutmon-2025";
-        upsmon = "primary";
-      };
-    };
-
-    upsmon = {
-      monitor = {
-        apc-backups = {
-          system = "apc-backups@localhost";
-          user = "nutmon";
-          type = "master";
-        };
-      };
-    };
-  };
-
  # Open ports in the firewall.
   # networking.firewall.allowedTCPPorts = [ ... ];
   # networking.firewall.allowedUDPPorts = [ ... ];