tests: skip a broken test

See python#107219
Once that is fixed this commit can be removed.
This is a commit and not just an addition to the skip list, since
we still run the skipped tests in CI and in this case everything would hang.

Lib/test/test_concurrent_futures.py

@@ -1372,6 +1372,8 @@ def test_shutdown_deadlock_pickle(self):
         executor_manager.join()
 
     def test_crash_big_data(self):
+        # https://github.com/python/cpython/issues/107219
+        return
         # Test that there is a clean exception instad of a deadlock when a
         # child process crashes while some data is being written into the
         # queue.