fix: upgrade org.freemarker:freemarker from 2.3.28 to 2.3.31
fix: upgrade org.freemarker:freemarker from 2.3.28 to 2.3.31

Snyk has created this PR to upgrade org.freemarker:freemarker from 2.3.28 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/mareknovotny/project/5606a1a2-be30-407d-b431-a11d8c234154?utm_source=github&utm_medium=upgrade-pr
tkobayas/optaplanner,tkobayas/optaplanner,tkobayas/optaplanner,baldimir/optaplanner,baldimir/optaplanner,baldimir/optaplanner,tkobayas/optaplanner,baldimir/optaplanner