Update test-py6s-conda-install-scheduled.yml

Author: robintw

.github/workflows/test-py6s-conda-install-scheduled.yml

@@ -16,11 +16,12 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: goanpeca/setup-miniconda@v1
+      - uses: conda-incubator/setup-miniconda@v2
         with:
           python-version: ${{ matrix.python-version }}
           channels: conda-forge
           activate-environment: py6s-test
+          miniconda-version: "latest"
       - shell: bash -l {0}
         run: |
           conda install py6s