Updated changelog.

See #926

Author: christophstrobl

src/main/resources/changelog.txt

@@ -1,6 +1,10 @@
 Spring Data JDBC Changelog
 =========================
 
+Changes in version 2.2.0-M4 (2021-02-18)
+----------------------------------------
+
+
 Changes in version 2.1.5 (2021-02-18)
 -------------------------------------
 
@@ -721,5 +725,6 @@ Changes in version 1.0.0.M1 (2018-02-06)
 
 
 
+