Security warning about xmlsec 2.2.0

[nytro77]

Reported by snyk.io

https://snyk.io/vuln/SNYK-JAVA-ORGAPACHESANTUARIO-1655558

Upgrading from 2.2.0 to 2.2.3 seems to be the fix

[bfold]

Please note that org.jvnet.staxex:stax-ex:jar:1.7.8 dependency also has several vulnerabilities published on 26 Jul 2021 on snyk.io:

https://security.snyk.io/search?type=any&q=stax-ex

[gregturn]

Superceded by #1214.

[gregturn]

#1220 has been opened to separately track stax-ex.