[NonGNU ELPA] Raku-Mode version 0.2.1

[ELPA update]

Version 0.2.1 of package Raku-Mode has just been released in NonGNU ELPA.
You can now find it in M-x package-list RET.

Raku-Mode describes itself as:
  Major mode for editing Raku code

More at https://elpa.nongnu.org/nongnu/raku-mode.html

Recent NEWS:

# Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).

## [0.2.1] - 2021-09-13
### Removed
- 'pkg-info' dependency (PR 53)


## [0.2.0] - 2021-04-12
### Added
- `QUIT`, `DOC`, `CLOSE` phasers to font-lock
- `ge` operator font-lock

### Changed

- Change default repl keybindings.
- Fix hanging assignment indentation.

### Removed

- `START` phaser.

## [0.1.0]
### Added
- Basic syntax highlighting