Migrate controller annotations to attributes

[Rello]

Summary

• replace deprecated controller annotations with the corresponding PHP attributes across the app controllers
• document the attribute migration in the changelog

Testing

• for f in $(git diff --name-only | grep '.php'); do php -l $f; done

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https://chatgpt.com/codex/tasks/task_e_68ccacc3fb308333a1136fa3ba449934