llvmPackages_18: 18.1.5 -> 18.1.6

  #   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 = "18.1.5"; sha256 = "0n44chqn96xsa00ryhwk8g0vv3zx908xjakkgjsa14sjr9mcsq8q"; }

, officialRelease ? { version = "18.1.6"; sha256 = "sha256-q6avJyzzL6ZEhPmONH6/VTfwBfnXNOLBbuHi0gVy55I="; }

  # i.e.:

  # {

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