Bump setup-miniconda from v1 to v2

Author: weiji14

.github/workflows/main.yaml

@@ -19,7 +19,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Setup Miniconda
-        uses: conda-incubator/setup-miniconda@v1
+        uses: conda-incubator/setup-miniconda@v2
         with:
           auto-update-conda: true
           auto-activate-base: false