switch back from Mambaforge to Miniforge3

Author: ACTN3

.github/workflows/ci.yml

@@ -15,15 +15,18 @@ jobs:
         python-version: ['3.10']
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Checkout repository
+      uses: actions/checkout@v4
 
     - name: Setup Conda with Mamba
-      uses: conda-incubator/setup-miniconda@v2
+      uses: conda-incubator/setup-miniconda@v3
       with:
         auto-update-conda: true
         python-version: ${{ matrix.python-version }}
-        miniforge-variant: Mambaforge
         miniforge-version: latest
+        miniforge-variant: Miniforge3
+        environment-file: environment.yml
+        activate-environment: vcc2025        
         use-mamba: true
         channels: conda-forge,bioconda,defaults
         channel-priority: flexible  # IMPORTANT: Allow flexible solving