Update brakeman to 3.0 and bundler-audit to 0.6 (#5117)

Gemfile

@@ -102,8 +102,8 @@ group :development do
   gem 'letter_opener', '~> 1.4'
   gem 'letter_opener_web', '~> 1.3'
   gem 'rubocop', require: false
-  gem 'brakeman', '~> 3.6', require: false
-  gem 'bundler-audit', '~> 0.5', require: false
+  gem 'brakeman', '~> 4.0', require: false
+  gem 'bundler-audit', '~> 0.6', require: false
   gem 'scss_lint', '~> 0.53', require: false
   gem 'strong_migrations'
 

Gemfile.lock

@@ -74,7 +74,7 @@ GEM
       debug_inspector (>= 0.0.1)
     bootsnap (1.1.3)
       msgpack (~> 1.0)
-    brakeman (3.7.2)
+    brakeman (4.0.1)
     browser (2.5.1)
     builder (3.2.3)
     bullet (5.6.1)
@@ -535,10 +535,10 @@ DEPENDENCIES
   better_errors (~> 2.1)
   binding_of_caller (~> 0.7)
   bootsnap
-  brakeman (~> 3.6)
+  brakeman (~> 4.0)
   browser
   bullet (~> 5.5)
-  bundler-audit (~> 0.5)
+  bundler-audit (~> 0.6)
   capistrano (~> 3.8)
   capistrano-rails (~> 1.2)
   capistrano-rbenv (~> 2.1)