update zenodo badge to 0.3.1
update zenodo badge to 0.3.1
alorenzo175/pvlib-python,cwhanse/pvlib-python,pvlib/pvlib-python,rubennj/pvlib-python,uvchik/pvlib-python,anomam/pvlib-python,ianctse/pvlib-python,mikofski/pvlib-python,wholmgren/pvlib-python