message: Update to the clap 3.2 API.
diff: @@ -3,7 +3,7 @@ mod output_processor;
  mod qemu;
  mod tockloader;
  -use clap::{ArgEnum, Parser};
  +use clap::{Parser, ValueEnum};
  use std::env::{var, VarError};
  use std::path::PathBuf;
  @@ -13,18 +13,19 @@ use std::path::PathBuf;
  pub struct Cli {
  /// Where to deploy the process binary. If not specified, runner will only
  /// make a TBF file and not attempt to run it.
  - #[clap(arg_enum, long, short)]
  + #[clap(action, long, short, value_enum)]
  deploy: Option<Deploy>,
  /// The executable to convert into Tock Binary Format and run.
  + #[clap(action)]
  elf: PathBuf,
  /// Whether to output verbose debugging information to the console.
  - #[clap(long, short)]
  + #[clap(long, short, action)]
  verbose: bool,
  }
  -#[derive(ArgEnum, Clone, Copy, Debug)]
  +#[derive(ValueEnum, Clone, Copy, Debug)]
  pub enum Deploy {
  Qemu,
  Tockloader,
  