python-cryptography: Update to 41.0.4

This includes a patch to update the version of ouroboros (Rust crate)
used, to fix RUSTSEC-2023-0042[1]. Upstream has switch from ouroboros to
self_cell so this patch should only be necessary for cryptography 41.

[1]: https://rustsec.org/advisories/RUSTSEC-2023-0042.html

Signed-off-by: Jeffery To <jeffery.to@gmail.com>

lang/python/python-cryptography/test.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+
+[ "$1" = python3-cryptography ] || exit 0
+
+python3 - << EOF
+import sys
+from cryptography.fernet import Fernet
+key = Fernet.generate_key()
+f = Fernet(key)
+token = f.encrypt(b"my deep dark secret")
+sys.exit(0 if f.decrypt(token) == b"my deep dark secret" else 1)
+EOF