Backport PR #43455 on branch 1.3.x (REGR: fillna on f32 column raising for f64)
Backport PR #43455: REGR: fillna on f32 column raising for f64
cc @mzeitlin11  @mzeitlin11 i think need to update the fixture here: https://dev.azure.com/pandas-dev/pandas/_build/results?buildId=65861&view=logs&j=f39ddbca-85f6-5283-3bfe-05832bcf5208&t=60a5c9af-5075-529a-e870-f4d886d8e7ce

as recently changed the names :-< (note I think you *can* just push commits to this PR) > @mzeitlin11 i think need to update the fixture here: https://dev.azure.com/pandas-dev/pandas/_build/results?buildId=65861&view=logs&j=f39ddbca-85f6-5283-3bfe-05832bcf5208&t=60a5c9af-5075-529a-e870-f4d886d8e7ce
> 
> as recently changed the names :-< (note I think you _can_ just push commits to this PR)

Thanks, will do thx @mzeitlin11 