Update .ci_support/win64.yaml
Update .ci_support/win64.yaml

Co-authored-by: jakirkham <00b8e1f2832340b5fd94507dd2fa7880c7721435@gmail.com>
ocefpaf/staged-recipes,goanpeca/staged-recipes,jakirkham/staged-recipes,goanpeca/staged-recipes,jakirkham/staged-recipes,conda-forge/staged-recipes,ocefpaf/staged-recipes,johanneskoester/staged-recipes,conda-forge/staged-recipes,johanneskoester/staged-recipes