release.py: fix typo
release.py: fix typo

1st1/asyncio,gvanrossum/asyncio,haypo/trollius,manipopopo/asyncio,gsb-eng/asyncio,gsb-eng/asyncio,manipopopo/asyncio,vxgmichel/asyncio,haypo/trollius,Martiusweb/asyncio,ajdavis/asyncio,gsb-eng/asyncio,jashandeep-sohi/asyncio,ajdavis/asyncio,fallen/asyncio,haypo/trollius,manipopopo/asyncio,jashandeep-sohi/asyncio,gvanrossum/asyncio,vxgmichel/asyncio,gvanrossum/asyncio,1st1/asyncio,ajdavis/asyncio,fallen/asyncio,fallen/asyncio,vxgmichel/asyncio,Martiusweb/asyncio,Martiusweb/asyncio,1st1/asyncio,jashandeep-sohi/asyncio