Revert "Pin `conda` to version `4.1.x` in CIs."
Revert "Pin `conda` to version `4.1.x` in CIs."

This reverts commit 48e650366b1d8ac66bba8702dff505c5a7302c50.

shadowwalkersb/conda-smithy,shadowwalkersb/conda-smithy,ocefpaf/conda-smithy,conda-forge/conda-smithy,ocefpaf/conda-smithy,conda-forge/conda-smithy