Bump rqrcode from 2.0.0 to 2.1.0 (#16678)

Bumps [rqrcode](https://github.com/whomwah/rqrcode) from 2.0.0 to 2.1.0.
- [Release notes](https://github.com/whomwah/rqrcode/releases)
- [Changelog](https://github.com/whomwah/rqrcode/blob/master/CHANGELOG.md)
- [Commits](https://github.com/whomwah/rqrcode/compare/v2.0.0...v2.1.0)

---
updated-dependencies:
- dependency-name: rqrcode
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile

@@ -75,7 +75,7 @@ gem 'rails-i18n', '~> 6.0'
 gem 'rails-settings-cached', '~> 0.6'
 gem 'redis', '~> 4.4', require: ['redis', 'redis/connection/hiredis']
 gem 'mario-redis-lock', '~> 1.2', require: 'redis_lock'
-gem 'rqrcode', '~> 2.0'
+gem 'rqrcode', '~> 2.1'
 gem 'ruby-progressbar', '~> 1.11'
 gem 'sanitize', '~> 6.0'
 gem 'scenic', '~> 1.5'