Set release date for 4.0

fjetter · web-flow · commit 08a809429cba · 2021-03-17T17:36:22.000+01:00
diff --git a/CHANGES.rst b/CHANGES.rst
@@ -2,7 +2,7 @@
 Changelog
 =========
 
-Kartothek 4.0.0 (2021-03-XY)
+Kartothek 4.0.0 (2021-03-17)
 ============================
 
 This is a major release of kartothek with breaking API changes.
