Add missing FirebaseStorage release note (#1990)

Author: paulb777

Firebase/Storage/CHANGELOG.md

@@ -1,6 +1,9 @@
-# 3.0.2
+# 3.0.3
 - [changed] Storage operations can now be scheduled and controlled from any thread (#1302, #1388).
 
+# 3.0.2
+- [changed] Migrate to use FirebaseAuthInterop interfaces to access FirebaseAuth (#1660).
+
 # v3.0.1
 - [fixed] Fixed potential `EXC_BAD_ACCESS` violation in the internal logic for processing finished downloads (#1565, #1747).