fix: Gemfile & Gemfile.lock to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-RUBY-NOKOGIRI-7164639

Gemfile

@@ -4,7 +4,7 @@ git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 ruby '2.7.8'
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '~> 6.0.2', '>= 6.0.2.2'
+gem 'rails', '~> 6.1.0'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3', '~> 1.4'
 # Use Puma as the app server
@@ -16,7 +16,7 @@ gem 'webpacker', '~> 5.4', '>= 5.4.4'
 # Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
 gem 'turbolinks', '~> 5'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
-gem 'jbuilder', '~> 2.7'
+gem 'jbuilder', '~> 2.12', '>= 2.12.0'
 # Use Redis adapter to run Action Cable in production
 # gem 'redis', '~> 4.0'
 # Use Active Model has_secure_password
@@ -40,7 +40,7 @@ end
 
 group :development do
   # Access an interactive console on exception pages or by calling 'console' anywhere in the code.
-  gem 'web-console', '>= 3.3.0'
+  gem 'web-console', '>= 4.2.1'
   gem 'listen', '>= 3.0.5', '< 3.2'
   # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
   gem 'spring'
@@ -49,10 +49,10 @@ end
 
 group :test do
   # Adds support for Capybara system testing and selenium driver
-  gem 'capybara', '>= 2.15'
+  gem 'capybara', '>= 3.39.1'
   gem 'selenium-webdriver'
   # Easy installation and use of web drivers to run system tests with browsers
-  gem 'webdrivers'
+  gem 'webdrivers', '>= 5.3.0'
 end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem