add Mamba

.github/workflows/python-package.yml

@@ -1,7 +1,7 @@
 # This workflow will install Python dependencies, run tests and lint with a variety of Python versions
 # For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
 
-name: Python package (without parsers)
+name: Python package
 
 on:
   push:
@@ -26,7 +26,17 @@ jobs:
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v3
       with:
-        python-version: ${{ matrix.python-version }}
+        python-version: ${{ matrix.python-version }}        
+    - name: Set up Mamba
+      uses: mamba-org/setup-micromamba@v1
+      with:
+        micromamba-version: '1.3.1-0'
+        environment-file: environment.yml
+        init-shell: >-
+          bash
+          powershell
+        cache-environment: true
+        post-cleanup: 'all'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip