Use conda-incubator/setup-miniconda@v3

Author: RemiLehe

.github/workflows/unix.yml

@@ -15,22 +15,11 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
-    - name: Cache conda
-      uses: actions/cache@v3
-      # Increase this value to reset cache
-      env: {CACHE_NUMBER: 0}
-      with:
-        path: ~/conda_pkgs_dir
-        key: ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{ matrix.python-version }}
-
-    - uses: conda-incubator/setup-miniconda@v2
-      name: Setup conda
+    - uses: conda-incubator/setup-miniconda@v3
       with:
         auto-update-conda: true
-        activate-environment: testing
-        auto-activate-base: false
+        python-version: ${{ matrix.python-version }}
         channels: conda-forge,defaults
-        channel-priority: true
 
     - shell: bash -eo pipefail -l {0}
       name: Install dependencies