Use tmate to acccess github actions through ssh

Author: antoinecarme

.github/workflows/python-app-no-gil.yml

@@ -14,6 +14,10 @@ jobs:
     steps:
 
     - uses: actions/checkout@v4
+    - name: Setup tmate session
+      uses: mxschmitt/action-tmate@v3
+      with:
+        detached: true
     - name: Set up Python 3.14
       uses: actions/setup-python@v6    
     - name : Setup free threded python