Also print to stderr when disallowed deprecation

What does this MR do and why?

Also print to stderr when disallowed deprecation

Sometimes DeprecationException is rescued by application code (e.g. resue StandardError).

Related issue: #410086 (closed)

Screenshots or screen recordings

Screenshots are required for UI changes, and strongly recommended for all other merge requests.

Before	After

How to set up and validate locally

Run bundle exec rspec spec/requests/api/commit_statuses_spec.rb to see the error printed

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.