Update io.fits_column._scalar_to_format to use min_scalar_type Fixes #4838
Update io.fits_column._scalar_to_format to use min_scalar_type
Fixes #4838

AustereCuriosity/astropy,lpsinger/astropy,stargaser/astropy,StuartLittlefair/astropy,larrybradley/astropy,tbabej/astropy,MSeifert04/astropy,dhomeier/astropy,DougBurke/astropy,aleksandr-bakanov/astropy,pllim/astropy,larrybradley/astropy,lpsinger/astropy,stargaser/astropy,saimn/astropy,MSeifert04/astropy,astropy/astropy,astropy/astropy,joergdietrich/astropy,aleksandr-bakanov/astropy,saimn/astropy,DougBurke/astropy,larrybradley/astropy,astropy/astropy,funbaker/astropy,AustereCuriosity/astropy,bsipocz/astropy,pllim/astropy,kelle/astropy,aleksandr-bakanov/astropy,kelle/astropy,larrybradley/astropy,mhvk/astropy,lpsinger/astropy,MSeifert04/astropy,mhvk/astropy,funbaker/astropy,dhomeier/astropy,saimn/astropy,bsipocz/astropy,mhvk/astropy,tbabej/astropy,AustereCuriosity/astropy,StuartLittlefair/astropy,StuartLittlefair/astropy,kelle/astropy,pllim/astropy,kelle/astropy,StuartLittlefair/astropy,bsipocz/astropy,StuartLittlefair/astropy,MSeifert04/astropy,funbaker/astropy,astropy/astropy,pllim/astropy,dhomeier/astropy,joergdietrich/astropy,joergdietrich/astropy,lpsinger/astropy,funbaker/astropy,tbabej/astropy,AustereCuriosity/astropy,joergdietrich/astropy,AustereCuriosity/astropy,dhomeier/astropy,saimn/astropy,mhvk/astropy,dhomeier/astropy,mhvk/astropy,bsipocz/astropy,joergdietrich/astropy,tbabej/astropy,saimn/astropy,stargaser/astropy,DougBurke/astropy,larrybradley/astropy,astropy/astropy,tbabej/astropy,pllim/astropy,aleksandr-bakanov/astropy,lpsinger/astropy,DougBurke/astropy,kelle/astropy,stargaser/astropy