fix[servers]: fix several issues

- winters: flake path was set wrongly
- spotifyd: could not connect (added hosts entry)
- nextcloud: plugins used outdated nextcloud version
- nextcloud: allow all upload sizes on proxy
- matrix: adapt to new bridge config schema

modules/nixos/server/spotifyd.nix

@@ -23,6 +23,13 @@ in
 
     services.pipewire.systemWide = true;
 
+    # https://github.com/Spotifyd/spotifyd/issues/1366
+    networking.hosts."0.0.0.0" = [ "apresolve.spotify.com" ];
+
+    # hacky way to enable multi-session
+    # when another user connects, the service will crash and the new user will login
+    systemd.services.spotifyd.serviceConfig.RestartSec = lib.mkForce 1;
+
     services.spotifyd = {
       enable = true;
       settings = {
@@ -30,8 +37,11 @@ in
           dbus_type = "session";
           use_mpris = false;
           device = "sysdefault:CARD=PCH";
+          # device = "default";
           device_name = "SwarselSpot";
-          mixer = "alsa";
+          # backend = "pulseaudio";
+          backend = "alsa";
+          # mixer = "alsa";
           zeroconf_port = servicePort;
         };
       };