Merge pull request #1565 from freeCodeCamp/renovate/ruby-2.x

Update dependency ruby to v2.7.3

.ruby-version

@@ -1 +1 @@
-2.6.5
+2.7.3

Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:2.6.5
+FROM ruby:2.7.3
 
 ENV LANG=C.UTF-8
 ENV ENABLE_SERVICE_WORKER=true

Gemfile

@@ -1,5 +1,5 @@
 source 'https://rubygems.org'
-ruby '~> 2.6.0'
+ruby '~> 2.7.3'
 
 gem 'rake'
 gem 'thor'

Gemfile.lock

@@ -170,7 +170,7 @@ DEPENDENCIES
   yajl-ruby
 
 RUBY VERSION
-   ruby 2.6.3p62
+   ruby 2.7.3p183
 
 BUNDLED WITH
-   2.0.2
+   2.1.4