give it the environment.yml file

Author: jcapriot

.github/workflows/python-package-conda.yml

@@ -64,6 +64,8 @@ jobs:
     - name: Setup Conda
       uses: conda-incubator/setup-miniconda@v3
       with:
+        auto-update-conda: true
+        environment-file: environment_ci.yml
         activate-environment: pydiso-ci
 
     - name: Conda information