Update framework to the main branch

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/framework b/framework
index 2f639b6..4e9e839 160000
--- a/framework
+++ b/framework
@@ -1 +1 @@
-Subproject commit 2f639b6bf4bcf57c4b1b0afb23ccb657607428bc
+Subproject commit 4e9e8391cd64974d16234160532ef2d6dec9ced6