BUG: ValueError when printing a DataFrame with DataFrame in its attrs (#60459)

* Add test

* replace concat with np

* Revert "replace concat with np"

This reverts commit b48fc35dc4cc4a5f413ad1b905d38408a796699d.

* Revert "Revert "replace concat with np""

This reverts commit 6b45ac5dd8c1f985f2eaa7ec376fbf6c9799b6c5.

* try fixing mypy error

* Add whatsnew

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Co-authored-by: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>