Update branch section in README.md (#3460) (#3461)

Author: jsattler

README.md

@@ -32,7 +32,7 @@ Functionality of this package is contained in Java package `com.fasterxml.jackso
 <properties>
   ...
   <!-- Use the latest version whenever possible. -->
-  <jackson.version>2.12.4</jackson.version>
+  <jackson.version>2.13.2.2</jackson.version>
   ...
 </properties>