Update main.yml

.github/workflows/main.yml

@@ -13,10 +13,15 @@ jobs:
       - name: Checkout repo content
         uses: actions/checkout@v2
 
-      - name: Setup Mamba
+      - name: Setup Miniconda
+        uses: conda-incubator/setup-miniconda@v2
+        with:
+          environment-file: marine_environment.yml  # If needed
+          activate-environment: marine_environment
+
+      - name: Install Mamba
         run: |
-          sudo apt-get update
-          sudo apt-get install mamba -y
+          conda install -c conda-forge mamba
 
       - name: Install dependencies
         run: |