feat(web-arm): update to 25.11

- Migrate logind.extraConfig to logind.settings.Login
- Update dovecot alert for service rename (dovecot2 → dovecot)
- Fix sa-core buildGoModule env attribute for CGO_ENABLED

hosts/web-arm/pkgs/sa-core.nix

@@ -17,7 +17,7 @@ buildGoModule rec {
   subPackages = [ "." ];
 
   # Optional tuning
-  CGO_ENABLED = 0;
+  env.CGO_ENABLED = "0";
   ldflags = [ "-s" "-w" ];
   doCheck = false;