brew vendor-gems: commit updates.

Library/Homebrew/vendor/bundle/bundler/setup.rb

@@ -83,7 +83,7 @@ $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/ruby-progressbar-1.11
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/unicode-display_width-2.0.0/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/rubocop-1.20.0/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/rubocop-performance-1.11.5/lib"
-$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/rubocop-rails-2.12.0/lib"
+$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/rubocop-rails-2.12.1/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/rubocop-rspec-2.4.0/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/rubocop-sorbet-0.6.2/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/ruby-macho-2.5.1/lib"

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/rubocop-rails-2.12.1/lib/rubocop/cop/rails/has_many_or_has_one_dependent.rb

@@ -100,8 +100,8 @@ module RuboCop
         end
 
         def contain_valid_options_in_with_options_block?(node)
-          if with_options_block(node)
-            return true if valid_options?(with_options_block(node))
+          if (options = with_options_block(node))
+            return true if valid_options?(options)
 
             return false unless node.parent
 
@@ -114,6 +114,8 @@ module RuboCop
         end
 
         def valid_options?(options)
+          return false if options.nil?
+
           options = options.first.children.first.pairs if options.first.kwsplat_type?
 
           return true unless options