DEV: Revert rails 7.1 upgrade (#27522)

* Revert "FIX: Set `override_level` on Logster loggers (#27519)"

This reverts commit c1b0488c547bca935de51cfbb86bbc528e9ab2e5.

* Revert "DEV: Make parameters optional to all FakeLogger methods"

This reverts commit 3318dad7b4e3365854319bb55301cf667a2c28d0.

* Revert "FIX: Remove references to `Rails.logger.chained`"

This reverts commit f595d599dd361b7fb39fb3c82cbc11d19d518c19.

* Revert "DEV: Upgrade Rails to 7.1"

This reverts commit 081b00391e47a7f9bc44b9fe8ce88ac97d728352.

spec/lib/auth/default_current_user_provider_spec.rb

@@ -21,11 +21,11 @@ RSpec.describe Auth::DefaultCurrentUserProvider do
   end
 
   def get_cookie_info(cookie_jar, name)
-    response = ActionDispatch::Response.new
+    headers = {}
     cookie_jar.always_write_cookie = true
-    cookie_jar.write(response)
+    cookie_jar.write(headers)
 
-    header = response.headers["Set-Cookie"]
+    header = headers["Set-Cookie"]
     return if header.nil?
 
     info = {}