wasmedge: bump LLVM to 19

  lib,

  stdenv,

  fetchFromGitHub,

  llvmPackages_17,

  llvmPackages_19,

  boost,

  cmake,

  spdlog,

  # ```

  #

  # > Where `.#` is the flake path were the repo `wasmedge` was cloned at the expected version.

  llvmPackages = llvmPackages_17;

  llvmPackages = llvmPackages_19;

in

llvmPackages.stdenv.mkDerivation (finalAttrs: {

  pname = "wasmedge";