Update framework to add ported test helper changes

Update the framework pointer to reference new changes to
tests/src/psa_exercise.key.c and tests/include/test/psa_exercise_key.h
that have been ported to the framework from the main repo.

Signed-off-by: David Horstmann <david.horstmann@arm.com>
diff --git a/framework b/framework
index e613a0d..de5f965 160000
--- a/framework
+++ b/framework
@@ -1 +1 @@
-Subproject commit e613a0dc4cd59e4746ecf9a84e923dd617028957
+Subproject commit de5f965ebed0d1dad6a0c34cd8a81ea4f731c8b6