Log Message:
misc/ruby-pry: update to 0.13.1

Update ruby-pry to 0.13.1.

### [v0.13.1][v0.13.1] (April 12, 2020)

#### Bug fixes

* Fixed bug where on invalid input only the last syntax error is displayed
  (instead of all of them) ([#2117](https://github.com/pry/pry/pull/2117))
* Fixed `Pry::Config` raising `NoMethodError` on undefined option instead of
  returning `nil` (usually invoked via `Pry.config.foo_option` calls)
  ([#2126](https://github.com/pry/pry/pull/2126))
* Fixed `help` command not displaying regexp aliases properly
  ([#2120](https://github.com/pry/pry/pull/2120))
* Fixed `pry-backtrace` not working ([#2122](https://github.com/pry/pry/pull/2122))