Changed the DangerousAttributeError exception message to include messaging that the conflict could be because of a conflicting attribute.
Bump globalid version
MessageVerifier raises an appropriate exception if the secret is nil


Otherwise this will lead to another error later on 
when generating a signature:
TypeError (no implicit conversion of nil into String).
Merge pull request #16890 from seuros/globalid

Bump globalid version
Use latest globalid
Globalid was released
Changes "if secret.nil?" to unless secret in MessageVerfier
Merge pull request #16897 from kostia/message-varifier-raises-exception-on-nil-secret

MessageVerifier.new raises an appropriate exception if the secret is nil
Change gid calls to to_gid
Se the test order of activejob tests
Prepare maintenance policy for 4.2 release [ci skip]
Merge pull request #16669 from aantix/dangerous_attribute_error_better_message

Improved the error messaging for the DangerousAttributeError exception
Change ActiveJob test directory to "test/jobs"
Merge pull request #16908 from y-yagi/change_activejob_test_dir

Change ActiveJob test directory to "test/jobs" [ci skip]
Remove mysql adapter from activerecord
extract column and schema_creation from mysql2_adapter