[Snyk] Security upgrade react-rails from 2.7.1 to 3.0.0 (#161)

* fix: Gemfile & Gemfile.lock to reduce vulnerabilities

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

* Update Gemfile.lock

---------

Co-authored-by: snyk-bot <snyk-bot@snyk.io>

Gemfile

@@ -45,7 +45,7 @@ gem 'doorkeeper', '~> 5.4.0'
 gem 'repost', '~> 0.3.8'
 
 gem 'lodash-rails'
-gem 'react-rails', '>= 2.7.0'
+gem 'react-rails', '>= 3.0.0'
 
 gem 'rails_lti2_provider', git: 'https://github.com/blindsidenetworks/rails_lti2_provider.git', tag: '0.1.5'
 

Gemfile.lock

@@ -304,7 +304,7 @@ GEM
       ffi (~> 1.0)
     rdoc (6.5.0)
       psych (>= 4.0.0)
-    react-rails (2.7.1)
+    react-rails (3.0.0)
       babel-transpiler (>= 0.7.0)
       connection_pool
       execjs
@@ -453,7 +453,7 @@ DEPENDENCIES
   rails (~> 6.1, >= 6.1.7.5)
   rails_lti2_provider!
   rdoc
-  react-rails (>= 2.7.0)
+  react-rails (>= 3.0.0)
   redis (~> 4.2)
   remote_syslog_logger
   repost (~> 0.3.8)