manifest: Update suit-generator revision

Bringing in changes to encrypt_script.py

Signed-off-by: Artur Hadasz <[email protected]>

Author: ahasztag

west.yml

@@ -242,7 +242,7 @@ manifest:
           upstream-sha: c6eaeda5a1c1c5dbb24dce7e027340cb8893a77b
           compare-by-default: false
     - name: suit-generator
-      revision: 9bd5f35396bea61f6c8e6aaebc00635364522ce6
+      revision: aa3da7d6c15960b3346cdaf3587ca666c21db953
       path: modules/lib/suit-generator
     - name: suit-processor
       revision: a499bcadceff8877da63a0a140c6a91ff2f87b25