Updating the setup-miniconda version switched the OS from x86_64 to A…

…RM... see if adding miniconda-version back switches it back.

.github/workflows/pangolin_macos.yml

@@ -18,6 +18,7 @@ jobs:
           environment-file: environment.yml
           activate-environment: pangolin
           channels: conda-forge,bioconda,defaults
+          miniconda-version: "latest"
       - name: Install pangolin
         run: pip install -e .
       - name: Check pangolin version