Update git submodules

* Update external/open-dice from branch 'master'
  to b321fa3d1f28559515b8c560cd0a00d8561a0a88
  - [ANDROID] Make dice_cbor_bindgen visible to system/security/diced
    
    And convert DiceConfigType to enum.
    
    Bug: 267575445
    Test: m pvmfw_img microdroid_manager
    Change-Id: I3cc5a79608b53e67a175a88aa42d01dd143d585e
    
diff --git a/external/open-dice b/external/open-dice
index 5865680..b321fa3 160000
--- a/external/open-dice
+++ b/external/open-dice
@@ -1 +1 @@
-Subproject commit 5865680d4109ae716d2eeaea85a3836c70fa7c13
+Subproject commit b321fa3d1f28559515b8c560cd0a00d8561a0a88