fix(matrix): fix matrix-appservices bridge encryption

services/matrix/appservices.nix

@@ -9,6 +9,9 @@ let
   bridge_encryption = {
     allow = true;
     default = true;
+    require = true;
+    appservice = true;
+    allow_key_sharing = true;
     key_sharing.allow = true;
     delete_keys.delete_outdated_inbound = false;
   };