chore: bump marketing version 0.20.0 -> 0.21.0 [skip ci]

Author: github-actions[bot]

project.yml

@@ -6,7 +6,7 @@ options:
   createIntermediateGroups: true
 settings:
   base:
-    MARKETING_VERSION: "0.20.0"
+    MARKETING_VERSION: "0.21.0"
     CURRENT_PROJECT_VERSION: "1"
     SWIFT_VERSION: "6.0"
     GENERATE_INFOPLIST_FILE: NO