CVE-2020-36518 - bump jackson from 2.11.2 to 2.13.3 (#464)

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36518

Signed-off-by: Gustavo Tedesco <gustavo.tedesco@unico.io>

Author: gtedesc0

formats/json-jackson/pom.xml

@@ -31,7 +31,7 @@
     <packaging>jar</packaging>
 
     <properties>
-        <jackson.version>2.11.2</jackson.version>
+        <jackson.version>2.13.3</jackson.version>
         <module-name>io.cloudevents.formats.jackson</module-name>
     </properties>