Usa mamba

.github/workflows/sqaaas.yaml

@@ -9,20 +9,22 @@ jobs:
   sqaaas_job:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
+      - name: Checkout SQAaaS step action
         uses: actions/checkout@v3
         with:
           repository: 'EOSC-synergy/sqaaas-step-action'
           path: 'sqaaas-step-action'
 
-      - name: Tox unit test step definition for a SQAaaS assessment
+      - name: Add tox unit test step definition for a SQAaaS assessment
         uses: ./sqaaas-step-action
         id: tox_unit_test
         with:
-          container: "python:3.10"
           name: tox_unit_test
           tool: commands
-          commands: pip install tox && tox -e py3
+          commands: |
+            micromamba install -c conda-forge python=3.10 tox -y
+            micromamba activate base
+            tox -e py3
 
       - name: SQAaaS assessment step
         uses: eosc-synergy/sqaaas-assessment-action@v2