Updated admin filter and uses it for the closing index reader API.

Change-Id: I7f7ad4dbb97ae3cfd282fba4a952471878867dcb
diff --git a/full/Changes b/full/Changes
index 653149b..c367b10 100644
--- a/full/Changes
+++ b/full/Changes
@@ -9,6 +9,9 @@
  - Updated admin filter by using admin token and role checks.
 2022-03-18
  - Added an OAuth2 admin API to delete expired/revoked access and refresh tokens.
+2022-03-28
+ - Updated admin filter (admintoken as a form param) and uses 
+   it for the closing index reader API. 
 
 # version 0.65.1