Update the asdf version
Update the asdf version

StuartLittlefair/astropy,pllim/astropy,StuartLittlefair/astropy,saimn/astropy,pllim/astropy,saimn/astropy,StuartLittlefair/astropy,lpsinger/astropy,larrybradley/astropy,mhvk/astropy,StuartLittlefair/astropy,saimn/astropy,astropy/astropy,astropy/astropy,StuartLittlefair/astropy,astropy/astropy,larrybradley/astropy,lpsinger/astropy,lpsinger/astropy,lpsinger/astropy,mhvk/astropy,mhvk/astropy,larrybradley/astropy,larrybradley/astropy,pllim/astropy,mhvk/astropy,astropy/astropy,larrybradley/astropy,mhvk/astropy,astropy/astropy,pllim/astropy,saimn/astropy,pllim/astropy,saimn/astropy,lpsinger/astropy