fix: upgrade org.slf4j:slf4j-api from 1.7.30 to 1.7.31
fix: upgrade org.slf4j:slf4j-api from 1.7.30 to 1.7.31

Snyk has created this PR to upgrade org.slf4j:slf4j-api from 1.7.30 to 1.7.31.

See this package in Maven Repository:
https://mvnrepository.com/artifact/org.slf4j/slf4j-api/

See this project in Snyk:
https://app.snyk.io/org/totto/project/30ed0c35-5605-46ad-aa5c-dc7fc326ca29?utm_source=github&utm_medium=upgrade-pr
Cantara/ratpack-freemarker