Yes, however, we have over a half century of data on hormonal contraception at this point, more than enough to measure the effect on lifetime risk.

This very large meta-study showed the increased risk is no longer significant about ten years after stopping use: https://pubmed.ncbi.nlm.nih.gov/8656904/

(btw, got that link from this article about the study in the OP, which points out potential confounders: https://www.statnews.com/2023/03/21/small-rise-breast-cancer...)