fix: Gemfile to reduce vulnerabilities (bigbluebutton#5441)

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-RUBY-RACK-1061917

Co-authored-by: snyk-bot <snyk-bot@snyk.io>
Co-authored-by: Ahmad Farhat <ahmad.af.farhat@gmail.com>

Author: 3 people

Gemfile

@@ -20,7 +20,7 @@ gem 'hiredis', '~> 0.6.0'
 gem 'i18n-language-mapping'
 gem 'image_processing', '~> 1.2'
 gem 'jbuilder'
-gem 'jsbundling-rails', '>= 1.2.0'
+gem 'jsbundling-rails', '>= 1.2.1'
 gem 'jwt'
 gem 'mini_magick', '>= 4.9.5'
 gem 'omniauth', '~> 2.1.0'