tets cleanup

Author: rflamary

.github/workflows/build_tests.yml

@@ -64,6 +64,11 @@ jobs:
         python-version: ["3.10", "3.11", "3.12", "3.13"]
 
     steps:
+    - name: Free Disk Space (Ubuntu)
+      uses: insightsengineering/disk-space-reclaimer@v1
+      with:
+        android: true
+        dotnet: true
     - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5