llvmPackages_18: 18.1.3 -> 18.1.4

  #   rev-version = /* human readable version; i.e. "unstable-2022-26-07" */;

  #   sha256 = /* checksum for this release, can omit if specifying your own `monorepoSrc` */;

  # }

, officialRelease ? { version = "18.1.3"; sha256 = "sha256-saQGbpYd95JuudwLcdG80GL8YhadH7TUY1FC0o0ithY="; }

, officialRelease ? { version = "18.1.4"; sha256 = "sha256-LyQEb4ZJXm2hkPOM9XITIploMT2VKIQWxUFio7SXrc0="; }

  # i.e.:

  # {

  #   version = /* i.e. "15.0.0" */;