Updated changelog.

See #956

Author: mp911de

src/main/resources/changelog.txt

@@ -1,6 +1,12 @@
 Spring Data JDBC Changelog
 =========================
 
+Changes in version 2.1.8 (2021-04-14)
+-------------------------------------
+* #961 - Upgrade dependencies.
+* #951 - Improve documentation of entity state detection.
+
+
 Changes in version 2.0.9.RELEASE (2021-04-14)
 ---------------------------------------------
 * #953 - Fix small typo in dialect section.
@@ -770,5 +776,6 @@ Changes in version 1.0.0.M1 (2018-02-06)
 
 
 
+