Merge pull request #275 from xcp-ng/jobscheck3.8

Use Python 3.8 in job checking action

Author: stormi

.github/workflows/jobs-check.yml

@@ -9,6 +9,8 @@ jobs:
     - uses: actions/checkout@v2
     - name: Set up Python
       uses: actions/setup-python@v4
+      with:
+        python-version: 3.8
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip