Potential regression induced by PR #57328

[rhshadrach]

PR #57328 may have induced a performance regression. If it was a necessary behavior change, this may have been expected and everything is okay.\n\nPlease check the links below. If any ASVs are parameterized, the combinations of parameters that a regression has been detected for appear as subbullets.\n\n - frame_methods.Fillna.time_fillna\n - inplace=True; dtype='object'\n\nSubsequent benchmarks may have skipped some commits. The link below lists the commits that are between the two benchmark runs where the regression was identified.\n\nCommit Range\n\ncc @phofl\n