[MOL-13183][SW] update changelog

Author: shawn wee

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelogs
 
+## 9.0.0
+
+-   **[BREAKING]** `NdiOidcHelper.constructAuthorizationUrl` now requires `nonce` (previously optional) and `userInfoScope` (new) params
+-   Deprecated `NdiOidcHelper.getIdTokenPayload` and `NdiOidcHelper.extractNricAndUuidFromPayload` as they are not needed for NDI PKCE flow
+-   Added `NdiOidcHelper.getUserInfo` to fetch myinfo data from NDI instead of MyInfo
+
 ## 8.4.7
 
 -   Update convenience test suite to include SingPass login with PKCE