Upgrade pagy to version 8 (via core) (#1767)

* Rely on the version of pagy specified by the core gems

* Fix the pagination test to match the new pagy default

* CI doesn't seem to find >...

Gemfile

@@ -110,9 +110,6 @@ end
 # BULLET TRAIN GEMS
 # This section is the list of Ruby gems included by default for Bullet Train.
 
-# TODO: Remove this after updating the core gems to 1.7.21
-gem "pagy", "< 7"
-
 # We use a constant here so that we can ensure that all of the bullet_train-*
 # packages are on the same version.
 BULLET_TRAIN_VERSION = "1.8.5"

Gemfile.lock

@@ -752,7 +752,6 @@ DEPENDENCIES
   magic_test
   minitest-reporters
   minitest-retry
-  pagy (< 7)
   pg (>= 0.18, < 2.0)
   postmark-rails
   pry

test/system/pagination_test.rb

@@ -38,7 +38,7 @@ class PaginationTest < ApplicationSystemTestCase
     assert_text("Test 1")
     refute_text("Test #{Pagy::DEFAULT[:items] + 1}")
 
-    click_on "Next"
+    click_on "2"
     assert_text("Test #{Pagy::DEFAULT[:items] + 1}")
   end
 end