Disable new Rails 6.1 cookie protections

What does this MR do?

Set these settings in order to make the cookies backwards compatible with previous Rails versions

https://github.com/rails/rails/blob/38998af1d9035d529e553251ae441f0c09b7e8ab/railties/lib/rails/generators/rails/app/templates/config/initializers/new_framework_defaults_6_1.rb.tt#L22-L26

https://github.com/rails/rails/blob/6-1-stable/actionpack/CHANGELOG.md

• https://github.com/rails/rails/commit/cf3736dce8d478ed9cd10bc96a387ee8a94dd666
• https://github.com/rails/rails/commit/7ccaa125ba396d418aad1b217b63653d06044680

It's best enabled when your entire app is migrated and stable on 6.1.