Gemfile: add tapioca gem

.gitignore

@@ -130,6 +130,7 @@
 **/vendor/bundle/ruby/*/gems/simplecov-html-*/
 **/vendor/bundle/ruby/*/gems/sorbet-*/
 **/vendor/bundle/ruby/*/gems/sorbet-runtime-*/
+**/vendor/bundle/ruby/*/gems/tapioca-*/
 **/vendor/bundle/ruby/*/gems/term-ansicolor-*/
 **/vendor/bundle/ruby/*/gems/thor-*/
 **/vendor/bundle/ruby/*/gems/tins-*/

Library/Homebrew/Gemfile

@@ -16,6 +16,7 @@ gem "simplecov", require: false
 if ENV["HOMEBREW_SORBET"]
   gem "sorbet"
   gem "sorbet-runtime"
+  gem "tapioca"
 end
 
 # vendored gems