Fix ci

Author: ninahakansson

.github/workflows/ci.yaml

@@ -13,7 +13,7 @@ jobs:
         python-version: ["3.9", "3.11", "3.12"]
         experimental: [false]
         include:
-          - python-version: "3.12"
+          - python-version: "3.13"
             os: "ubuntu-latest"
             experimental: true
 
@@ -28,15 +28,15 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Setup Conda Environment
-        uses: conda-incubator/setup-miniconda@v2
+        uses: conda-incubator/setup-miniconda@v3
         with:
-          miniforge-variant: Mambaforge
           miniforge-version: latest
-          use-mamba: true
           python-version: ${{ matrix.python-version }}
           environment-file: continuous_integration/environment.yaml
           activate-environment: test-environment
-          auto-update-conda: true
+          channels: conda-forge
+          conda-remove-defaults: true
+          channel-priority: strict
 
       - name: Install unstable dependencies
         if: matrix.experimental == true