Require logger before active_record

See rails/rails#54264. ActiveSupport required
`logger` implicitly through `concurrent-ruby`, which removed its own
`logger` dependency in 1.3.5.

Author: jas14

spec/spec_helper.rb

@@ -23,6 +23,7 @@
 #---
 
 begin
+  require 'logger'
   require 'active_record'
 
   active_record_available = true