librewolf: add meta.mainProgram attribute

                                           # not in `badPlatforms` because cross-compilation on 64-bit machine might work.

    maxSilent = 14400; # 4h, double the default of 7200s (c.f. #129212, #129115)

    license = lib.licenses.mpl20;

    mainProgram = "librewolf";

  };

  tests = [ nixosTests.librewolf ];

  updateScript = callPackage ./update.nix {