Update VERSION.md

Author: pjfanning

release-notes/VERSION.md

@@ -1,3 +1,9 @@
+# Version: 2.21.0
+
+This patch release tracks Jackson 2.21. The 2.21 series has full support for
+Scala 2.11, 2.12, 2.13 and 3.3+. Java 8 is the minimum supported Java version.
+There are no new fixes in this release.
+
 # Version: 2.20.1
 
 There are no new fixes in this release; it serves to track the 2.20.1 release
@@ -7,7 +13,6 @@ of the upstream Jackson projects.
 
 This patch release tracks Jackson 2.20. The 2.20 series has full support for
 Scala 2.11, 2.12, 2.13 and 3.3+. Java 8 is the minimum supported Java version.
-There are no new fixes in this release.
 
 ## Fixes