⬆️ Pin python to 3.4.10

Author: renovate[bot]

.github/workflows/markdown-code-runner.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.x'
+          python-version: '3.4.10'
 
       - name: Install markdown-code-runner
         run: |

.github/workflows/pythonpublish.yml

@@ -17,7 +17,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: '3.x'
+        python-version: '3.4.10'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip