update_pip_test_mapping
# What does this PR do?

#22180 added a new script to add/update the attribute `pipeline_model_mapping` (for pipeline testing) in a systematic way.
This PR uses that script to update this attributes for new and existing model test files.

It turns out that `translation` was missing when I first time adding this attribute in #21516. Fortunately, I am so persistent to continuously improve things, and find+fix this problem as a consequence 🚀 🐛 .

_The documentation is not available anymore as the PR was closed or merged._