fix: upgrade org.freemarker:freemarker from 2.3.30 to 2.3.31
fix: upgrade org.freemarker:freemarker from 2.3.30 to 2.3.31

Snyk has created this PR to upgrade org.freemarker:freemarker from 2.3.30 to 2.3.31.

See this package in Maven Repository:
https://mvnrepository.com/artifact/org.freemarker/freemarker/

See this project in Snyk:
https://app.snyk.io/org/totto/project/56cd482f-4eb5-4fb3-bdd8-163402ffd6ef?utm_source=github&utm_medium=upgrade-pr
Cantara/ratpack-echo-websockets-application,Cantara/ratpack-echo-websockets-application