message: deps: Update handlebars.
  Moving to handlebars 0.32.1 brings an update to the regex dependency
  to 1.0.
diff: @@ -25,7 +25,7 @@ serde_json = "1.0"
  serde_derive = "1.0"
  atty = "0.2"
  clap = "2.29"
  -handlebars = { version = "0.31", optional = true }
  +handlebars = { version = "0.32", optional = true }
  [dev-dependencies]
  walkdir = "2.1"
  