Merge pull request #383 from cta-observatory/dependabot/github_actions/mamba-org/setup-micromamba-3

Bump mamba-org/setup-micromamba from 2 to 3

Author: marialainez

.github/workflows/ci.yml

@@ -55,7 +55,7 @@ jobs:
           sed -i -e "s/- python=.*/- python=$PYTHON_VERSION/g" environment.yml
 
       - name: Setup Mamba
-        uses: mamba-org/setup-micromamba@v2
+        uses: mamba-org/setup-micromamba@v3
         with:
           environment-file: environment.yml
           cache-environment: true