Upgrade Jackson (Databind) to resolve CVE-2020-36518

Last upgrade to Wildfly Elytron POM dependencies moves Jackson version to 2.13.1, which unfortunately still puts it in-scope of CVE-2020-36518

https://github.com/FasterXML/jackson-databind/issues/2816

https://github.com/advisories/GHSA-57j2-w4cx-62h2

Jackson have provided version 2.13.2.1 specifically for Jackson Databind, although version 2.13.3 is now also available for all components.