Gemfile-rails.7.0.x in shakapacker-6.5.6

- old
+ new

@@ -6,7 +6,7 @@
 
 gem "rails", '~>7.0.0'
 gem "arel", github: "rails/arel"
 gem "rake", ">= 11.1"
 gem "rack-proxy", require: false
-gem "minitest", "~> 5.0"
+gem "rspec-rails", "~> 6.0.0"
 gem "byebug"