fix(tests): add serviceFilePerms stub to fail2ban tests

tests/fail2ban-gitea.nix

@@ -25,6 +25,10 @@ let
         serviceName: zpool: dirs:
         { ... }:
         { };
+      serviceFilePerms =
+        serviceName: tmpfilesRules:
+        { ... }:
+        { };
     }
   );
 

tests/fail2ban-immich.nix

@@ -24,6 +24,10 @@ let
         serviceName: zpool: dirs:
         { ... }:
         { };
+      serviceFilePerms =
+        serviceName: tmpfilesRules:
+        { ... }:
+        { };
     }
   );
 

tests/fail2ban-jellyfin.nix

@@ -26,6 +26,10 @@ let
         serviceName: zpool: dirs:
         { ... }:
         { };
+      serviceFilePerms =
+        serviceName: tmpfilesRules:
+        { ... }:
+        { };
       optimizePackage = pkg: pkg; # No-op for testing
     }
   );

tests/fail2ban-vaultwarden.nix

@@ -24,6 +24,10 @@ let
         serviceName: zpool: dirs:
         { ... }:
         { };
+      serviceFilePerms =
+        serviceName: tmpfilesRules:
+        { ... }:
+        { };
     }
   );