Add rubocop to prevent calling deprecated methods on ActiveModel errors
What does this MR do?
Add rubocop to prevent calling deprecated methods on ActiveModel errors
Does this MR meet the acceptance criteria?
Conformity
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📋 Does this MR need a changelog?-
I have included a changelog entry. -
I have not included a changelog entry because this is a refactoring which is not user facing.
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Documentation (if required) -
Code review guidelines -
Merge request performance guidelines -
Style guides -
Database guides -
Separation of EE specific content
Availability and Testing
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Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process. -
Tested in all supported browsers -
Informed Infrastructure department of a default or new setting change, if applicable per definition of done
Related to #225874 (closed)