python3-cryptography: backport fix for leaky test

The leaking test case has been fixed upstream, so backport the patch.

(From OE-Core rev: 4705b8a724fe288a20f1a080e2796ea90f46c9fb)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/python/python3-cryptography/fix-leak-metric.patch

@@ -0,0 +1,36 @@
+Trigger hashlib initialisation so that the test_create_certificate_with_extensions
+test doesn't fail.
+
+Upstream-Status: Backport
+Signed-off-by: Ross Burton <ross.burton@arm.com>
+
+From dc989d563ab6a078651160e5e6d4ee3df8cb08d7 Mon Sep 17 00:00:00 2001
+From: Alex Gaynor <alex.gaynor@gmail.com>
+Date: Thu, 7 Apr 2022 03:15:09 -0400
+Subject: [PATCH] Added Ubuntu Jammy to CI (#7047)
+
+* Added Ubuntu Jammy to CI
+
+* try thing
+---
+ .github/workflows/ci.yml                      | 1 +
+ docs/installation.rst                         | 2 +-
+ tests/hazmat/backends/test_openssl_memleak.py | 3 +++
+ 3 files changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/tests/hazmat/backends/test_openssl_memleak.py b/tests/hazmat/backends/test_openssl_memleak.py
+index 835c9256a6..2605566bd5 100644
+--- a/tests/hazmat/backends/test_openssl_memleak.py
++++ b/tests/hazmat/backends/test_openssl_memleak.py
+@@ -82,8 +82,11 @@ def free(ptr, path, line):
+     assert result == 1
+ 
+     # Trigger a bunch of initialization stuff.
++    import hashlib
+     from cryptography.hazmat.backends.openssl.backend import backend
+ 
++    hashlib.sha256()
++
+     start_heap = set(heap)
+ 
+     try:

meta/recipes-devtools/python/python3-cryptography/skip-leaky-test.patch

@@ -1,19 +0,0 @@
-Mark as test as expected-failure, OpenSSL is leaking memory.
-
-xfail not skip so we can remove this when OpenSSL doesn't leak anymore.
-
-Upstream-Status: Inappropriate
-Signed-off-by: Ross Burton <ross.burton@arm.com>
-
-diff --git a/tests/hazmat/backends/test_openssl_memleak.py b/tests/hazmat/backends/test_openssl_memleak.py
-index 835c9256..639f6ba2 100644
---- a/tests/hazmat/backends/test_openssl_memleak.py
-+++ b/tests/hazmat/backends/test_openssl_memleak.py
-@@ -466,6 +466,7 @@ class TestOpenSSLMemoryLeaks:
-             )
-         )
- 
-+    @pytest.mark.xfail(reason="has memory leaks")
-     def test_create_certificate_with_extensions(self):
-         assert_no_memory_leaks(
-             textwrap.dedent(