Fix RuboCop and exclude psych from RBI generation

Library/Homebrew/Gemfile

@@ -48,9 +48,9 @@ group :style, optional: true do
   gem "rubocop-sorbet", require: false
 end
 group :tests, optional: true do
-  gem "psych", "< 5", require: false
   gem "debug", require: false
   gem "parallel_tests", require: false
+  gem "psych", "< 5", require: false
   gem "rspec", require: false
   gem "rspec-github", require: false
   gem "rspec_junit_formatter", require: false

Library/Homebrew/sorbet/tapioca/config.yml

@@ -6,7 +6,6 @@ gem:
     - json
     - msgpack
     # These aren't needed:
-    - byebug
     - coderay
     - commander
     - debug
@@ -19,6 +18,7 @@ gem:
     - language_server-protocol
     - netrc
     - parallel
+    - psych
     - public_suffix
     - racc
     - rdoc

Library/Homebrew/test/spec_helper.rb

@@ -230,7 +230,7 @@ RSpec.configure do |config|
     @__stdin = $stdin.clone
 
     begin
-      if !example.metadata.keys.include?(:focus) && !ENV.key?("HOMEBREW_VERBOSE_TESTS")
+      if example.metadata.keys.exclude?(:focus) && !ENV.key?("HOMEBREW_VERBOSE_TESTS")
         $stdout.reopen(File::NULL)
         $stderr.reopen(File::NULL)
         $stdin.reopen(File::NULL)