message: Allow specify Lua 5.1, 5.2 as target version
diff: @@ -31,7 +31,7 @@ const optionDeclarations: { [key: string]: yargs.Options } = {
  },
  luaTarget: {
  alias: "lt",
  - choices: ["JIT", "5.3"],
  + choices: ["JIT", "5.3", "5.2", "5.1"],
  default: "JIT",
  describe: "Specify Lua target version.",
  type: "string",
  