Updated changelog.

See #1144

Author: schauder

src/main/resources/changelog.txt

@@ -1,6 +1,10 @@
 Spring Data Cassandra Changelog
 ===============================
 
+Changes in version 3.1.11 (2021-07-16)
+--------------------------------------
+
+
 Changes in version 3.2.2 (2021-06-22)
 -------------------------------------
 * #1141 - Upgrade to Cassandra Driver 4.11.2.
@@ -1581,5 +1585,6 @@ Changes in version 1.0.0.M1 (2014-03-31)
 
 
 
+