DATACOUCH-636 - Updated changelog.

Author: mp911de

src/main/resources/changelog.txt

@@ -1,6 +1,11 @@
 Spring Data Couchbase Changelog
 ===============================
 
+Changes in version 3.1.21.RELEASE (2020-10-28)
+----------------------------------------------
+* DATACOUCH-636 - Release 3.1.21 (Lovelace SR21).
+
+
 Changes in version 4.1.0-RC2 (2020-10-14)
 -----------------------------------------
 * DATACOUCH-612 - Release 4.1 RC2 (2020.0.0).
@@ -1184,5 +1189,6 @@ Release Notes - Spring Data Couchbase - Version 1.0 M1 - 2013-09-11
 
 
 
+