Update CHANGELOG.md

Author: SancSalix

CHANGELOG.md

@@ -1,3 +1,10 @@
+## 2.2.0
+- Bug Fixes:
+  - Temporary Fixes:
+    - Temporary fix on returning `email_address` field to `Subscriber Response Information`
+    - Temporary fix on returning `email_address` field to `Subscriber Request Information`
+    - New temp decorator to add store in vault functionality back into PayPal wallet transactions.
+
 ## 2.1.0
 - New Feature:
   - Configuration-Based Client Initialization