Fix faulthandler for Twisted Logger when used with "--capture=no"

The Twisted Logger will return an invalid file descriptor since it is
not backed by an FD. So, let's also forward this to the same code path
as with `pytest-xdist`.

1 files changed, 1 insertions, 0 deletions

diff --git a/changelog/8249.bugfix.rst b/changelog/8249.bugfix.rst
new file mode 100644
index 000000000..aa084c757
--- /dev/null
+++ b/changelog/8249.bugfix.rst
@@ -0,0 +1 @@
+Fix the ``faulthandler`` plugin for occasions when running with ``twisted.logger`` and using ``pytest --capture=no``.